ci(release): do not auto-merge major releases (#9710)

* ci(release): do not auto-merge major releases

* Testing

* Add test changesets

* Undo test changes

Author: lachlancollins

.github/workflows/release.yml

@@ -37,6 +37,17 @@ jobs:
       - name: Stop Nx Agents
         if: ${{ always() }}
         run: npx nx-cloud stop-all-agents
+      - name: Check for Changesets marked as major
+        id: major
+        run: |
+          echo "found=false" >> $GITHUB_OUTPUT
+          regex="(major)"
+          shopt -s nullglob
+          for file in .changeset/*.md; do
+            if [[ $(cat $file) =~ $regex ]]; then
+              echo "found=true" >> $GITHUB_OUTPUT
+            fi
+          done
       - name: Run Changesets (version or publish)
         id: changesets
         uses: changesets/[email protected]
@@ -49,7 +60,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
       - name: Auto-merge Changesets PR
-        if: steps.changesets.outputs.hasChangesets == 'true'
+        if: steps.changesets.outputs.hasChangesets == 'true' && steps.major.outputs.found == 'false'
         run: |
           gh pr merge --squash "$PR_NUMBER"
           gh api --method POST /repos/$REPO/dispatches -f 'event_type=release'