Disable automation sending release notes to Kit (#39320)

These are now being crafted by hand, using the social media content we
do each Wednesday. I'm keeping the action around because we may want to
use this to automate publishing the hand-crafted emails in the future.

Release Notes:

- N/A

.github/workflows/community_release_actions.yml

@@ -39,7 +39,7 @@ jobs:
           content: ${{ steps.get-content.outputs.string }}
 
   send_release_notes_email:
-    if: github.repository_owner == 'zed-industries' && !github.event.release.prerelease
+    if: false && github.repository_owner == 'zed-industries' && !github.event.release.prerelease
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4