Add support for explictly tagging a release on GitHub as the latest

Closes gh-50927

Author: snicoll

.github/actions/create-github-release/action.yml

@@ -4,6 +4,10 @@ inputs:
   commercial:
     description: 'Whether to generate the changelog for the commercial release'
     required: true
+  latest:
+    description: 'Whether the release is the latest release'
+    required: false
+    default: 'false'
   milestone:
     description: 'Name of the GitHub milestone for which a release will be created'
     required: true
@@ -27,4 +31,4 @@ runs:
       shell: bash
       env:
         GITHUB_TOKEN: ${{ inputs.token }}
-      run: gh release create ${{ format('v{0}', inputs.milestone) }} --notes-file changelog.md ${{ inputs.pre-release == 'true' && '--prerelease' || '' }}
+      run: gh release create ${{ format('v{0}', inputs.milestone) }} --notes-file changelog.md ${{ inputs.pre-release == 'true' && '--prerelease' || format('--latest={0}', inputs.latest) }}