chore(build): Apply Develocity build scans plugin (#5469)

* chore(build): Apply Develocity build scans plugin

Adds the com.gradle.develocity plugin to settings.gradle.kts
to publish a build scan on every Gradle invocation. This enables
build performance insights and debugging via scans.gradle.com.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* ref(build): Remove redundant publishingOnlyIf

Publishing on every build is the default behavior once the terms
of use are accepted.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore(build): Apply common custom user data plugin

Adds the com.gradle.common-custom-user-data-gradle-plugin to
capture additional build metadata (Git, CI environment) in
Develocity build scans.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>