ci: add support for patch releases and added branch whitelist checks

.github/workflows/create-release-pr.yaml

@@ -40,6 +40,7 @@ jobs:
         with:
           persist-credentials: false
           ref: ${{ steps.branch-check.outputs.branch_name }}
+          fetch-depth: 0 # Needed for comparison in `extract-package-versions` step.
 
       - name: Check for changeset files
         run: |
@@ -55,13 +56,27 @@ jobs:
         with:
           install-nodejs: 'true'
 
+      - name: Extract the old and new versions of the package
+        id: extract-package-versions
+        run: |
+          # https://github.com/changesets/changesets/issues/1055#issuecomment-1602572294
+          npm run cs -- status --output=release.json --since=origin/main
+
+          NEW_PACKAGE_VERSION=$(jq -r '.releases[0].newVersion' release.json)
+          OLD_PACKAGE_VERSION=$(jq -r '.releases[0].oldVersion' release.json)
+          rm release.json          
+
+          echo "new_package_version=${NEW_PACKAGE_VERSION}" >> "$GITHUB_OUTPUT"
+          echo "old_package_version=${OLD_PACKAGE_VERSION}" >> "$GITHUB_OUTPUT"
+
       # Keep the version of the PRs up-to-date
       - name: Create Release Pull Request
         id: release-pr
         uses: changesets/action@aba318e9165b45b7948c60273e0b72fce0a64eb9 # v1.4.7
         with:
-          branch: ${{ steps.branch-check.outputs.branch_name }} # This branch context is ignored in this step: `https://github.com/changesets/action/blob/50750fa876cc1e54c7cb972db5e2f7271fc53d99/src/run.ts#L328`, therefore the usage of `branch`
-          title: 'chore(release): bump version and update changelog from `${{ steps.branch-check.outputs.branch_name }}`'
-          commit: 'chore(release): bump version and update changelog from `${{ steps.branch-check.outputs.branch_name }}`'
+          # This branch context is ignored in this step: `https://github.com/changesets/action/blob/50750fa876cc1e54c7cb972db5e2f7271fc53d99/src/run.ts#L328`, therefore the usage of `branch` selection in the workflow trigger.
+          branch: ${{ steps.branch-check.outputs.branch_name }}
+          title: 'chore(release): bump version and update changelog for the release from `${{ steps.extract-package-versions.outputs.old_package_version }}` to `${{ steps.extract-package-versions.outputs.new_package_version }}`'
+          commit: 'chore(release): bump version and update changelog from `${{ steps.extract-package-versions.outputs.old_package_version }}` to `${{ steps.extract-package-versions.outputs.new_package_version }}`'
         env:
           GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}