update CONTRIBUTING.md (#11872)

Adding description of the `View deployment` button on the PR page. This
nice feature was not documented.

---------

Co-authored-by: Erick Friis <erickfriis@gmail.com>

Leonid Ganeline committed 2y ago

ea0982eede9c39f04a96260748ace3f40d5bde0a

Parent: 18a4fdd

Committed by GitHub <noreply@github.com> on 10/16/2023, 9:21:36 PM