Editor: Bump pinned hash for the Gutenberg repository.

This updates the pinned hash from the `gutenberg` from `8c78d87453509661a9f28f978ba2c242d515563b` to `487a096a9782ba6110a7686d7b4b2d0c55ed1b06`.

The following changes are included:

- Disables anchor support for the Page Break block. (https://github.com/WordPress/gutenberg/pull/76434)
- WP Admin: Update Connectors screen footer text for consistency. (https://github.com/WordPress/gutenberg/pull/76382)
- E2E Tests: Add coverage for AI plugin callout banner on Connectors page (https://github.com/WordPress/gutenberg/pull/76432)
- Update sync docs (https://github.com/WordPress/gutenberg/pull/75972)
- RTC: Add preference for collaborator notifications (https://github.com/WordPress/gutenberg/pull/76460)
- Fix "should undo bold" flaky test (https://github.com/WordPress/gutenberg/pull/76464)
- TimePicker: Clamp month day to valid day for month (https://github.com/WordPress/gutenberg/pull/76400)
- RTC: Fix error when entity record doesn't have 'meta' property (https://github.com/WordPress/gutenberg/pull/76311)
- Navigation: Update close button size. (https://github.com/WordPress/gutenberg/pull/76482)
- TemplateContentPanel: fix useSelect warning (https://github.com/WordPress/gutenberg/pull/76421)
- DataViews: Add spinner in `DataViewsLayout` in initial load of data (https://github.com/WordPress/gutenberg/pull/76486) (https://github.com/WordPress/gutenberg/pull/76490)
- RTC: Fix TypeError in areEditorStatesEqual when selection is undefined (https://github.com/WordPress/gutenberg/pull/76163)
- Page/Post Content Focus Mode: Fix insertion into Post Content block (https://github.com/WordPress/gutenberg/pull/76477)
- Revisions: use useSubRegistry={false} to fix global store selectors (https://github.com/WordPress/gutenberg/pull/76152) (https://github.com/WordPress/gutenberg/pull/76522)
- Fix RTL styling on Connectors, Font Library, and boot-based admin pages (https://github.com/WordPress/gutenberg/pull/76496)
- RTC: Auto-register custom taxonomy rest_base values for CRDT sync (https://github.com/WordPress/gutenberg/pull/75983)
- RTC: Add a limit for the default provider (https://github.com/WordPress/gutenberg/pull/76437)
- Fix RTL styling on AI plugin callout banner (https://github.com/WordPress/gutenberg/pull/76497)
- Add command palette trigger button to admin bar (https://github.com/WordPress/gutenberg/pull/75757)
- Block Bindings: Remove source items constrained by enums (https://github.com/WordPress/gutenberg/pull/76200)
- HTML Block: Remove "unsaved changes" check (https://github.com/WordPress/gutenberg/pull/76086)
- CI: Don't build release notes during plugin build workflow for WP Core sync (https://github.com/WordPress/gutenberg/pull/76398) (https://github.com/WordPress/gutenberg/pull/76578)
- CI: Simplify strategy matrix in Build Gutenberg Plugin Zip workflow (https://github.com/WordPress/gutenberg/pull/76435) (https://github.com/WordPress/gutenberg/pull/76538)
- Media: Add hooks and extension points for client-side media processing (https://github.com/WordPress/gutenberg/pull/74913)
- RTC: Fix list sidebar reset during real-time collaboration (https://github.com/WordPress/gutenberg/pull/76025)
- RTC: Fix CRDT serialization of nested RichText attributes (https://github.com/WordPress/gutenberg/pull/76597)
- RTC: Remove post list lock icon and replace user-specific lock text (https://github.com/WordPress/gutenberg/pull/76322)
- Fix HEIC upload error handling and sub-size format (https://github.com/WordPress/gutenberg/pull/76514)
- RTC: Fix cursor index sync with rich text formatting (https://github.com/WordPress/gutenberg/pull/76418)
- RTC: Allow filtering of `SyncConnectionModal` (https://github.com/WordPress/gutenberg/pull/76554)
- RTC: Implement front-end peer limits (https://github.com/WordPress/gutenberg/pull/76565)
- Navigation overlay close button may be displayed twice (https://github.com/WordPress/gutenberg/pull/76585)
- Site Editor > Templates: fix author filter (https://github.com/WordPress/gutenberg/pull/76625)
- Revisions: Show changed block attributes in inspector sidebar (https://github.com/WordPress/gutenberg/pull/76550)
- Fix IS_GUTENBERG_PLUGIN env var override in build config  (https://github.com/WordPress/gutenberg/pull/76605)
- Real Time Collaboration: Introduce filters for the polling intervals. (https://github.com/WordPress/gutenberg/pull/76518)
- RTC: Fix RichTextData deserialization (https://github.com/WordPress/gutenberg/pull/76607)
- Cross Origin Isolation: Remove `img` from the list of elements that get mutated (https://github.com/WordPress/gutenberg/pull/76618)
- RTC: Scroll to collaborator on click (https://github.com/WordPress/gutenberg/pull/76561)
- Update changelog link for pull request 11276 (https://github.com/WordPress/gutenberg/pull/76638)
- Fix backport changelog filename (https://github.com/WordPress/gutenberg/pull/76651)
- Build: Skip non-minified build for WASM-inlined workers (https://github.com/WordPress/gutenberg/pull/76615)
- RTC: Change RTC option name (https://github.com/WordPress/gutenberg/pull/76643)
- BlockListBlock: fix crash when selectedProps are null (https://github.com/WordPress/gutenberg/pull/75826)
- Build: Fix vips worker 404 when SCRIPT_DEBUG is true (https://github.com/WordPress/gutenberg/pull/76657)
- useMediaQuery: support in-iframe queries via new `WindowContext` (https://github.com/WordPress/gutenberg/pull/76446) (https://github.com/WordPress/gutenberg/pull/76660)
- Refactor admin-ui Page component to use @wordpress/theme tokens and @wordpress/ui layout primitive (https://github.com/WordPress/gutenberg/pull/75963)
- Connectors: Improve accessibility (https://github.com/WordPress/gutenberg/pull/76456)
- Build: Remove unused JXL WASM module from vips worker (https://github.com/WordPress/gutenberg/pull/76639)
- Connectors: fix button size (https://github.com/WordPress/gutenberg/pull/76582)
- Compose: Implement useCopyToClipboard and useCopyOnClick with native clipboard API (https://github.com/WordPress/gutenberg/pull/75723) (https://github.com/WordPress/gutenberg/pull/76663)
- Connectors: Fetch specific plugin instead of all plugins (https://github.com/WordPress/gutenberg/pull/76594)
- Revisions: Add Meta fields diff panel to document sidebar (https://github.com/WordPress/gutenberg/pull/76341)
- Loosen client-side media processing requirements (https://github.com/WordPress/gutenberg/pull/76616)
- Reduce the added halo for selected block. (https://github.com/WordPress/gutenberg/pull/76619)
- Connectors: Add unregisterConnector and upsert support (https://github.com/WordPress/gutenberg/pull/76541)

A full list of changes can be found on GitHub: https://github.com/WordPress/gutenberg/compare/8c78d87453509661a9f28f978ba2c242d515563b…487a096a9782ba6110a7686d7b4b2d0c55ed1b06.

Log created with:

git log --reverse --format="- %s" 8c78d87453509661a9f28f978ba2c242d515563b..487a096a9782ba6110a7686d7b4b2d0c55ed1b06 | sed 's|#\([0-9][0-9]*\)|https://github.com/WordPress/gutenberg/pull/\1|g; /github\.com\/WordPress\/gutenberg\/pull/!d' | pbcopy

See #64595.

git-svn-id: https://develop.svn.wordpress.org/trunk@62063 602fd350-edb4-49c9-b593-d223f7449a82