build(deps): bump the actions group with 2 updates

Bumps the actions group with 2 updates: [ruby/setup-ruby](https://github.com/ruby/setup-ruby) and [actions/create-github-app-token](https://github.com/actions/create-github-app-token).


Updates `ruby/setup-ruby` from 1.215.0 to 1.218.0
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@2654679...d781c1b)

Updates `actions/create-github-app-token` from 1.11.2 to 1.11.3
- [Release notes](https://github.com/actions/create-github-app-token/releases)
- [Commits](actions/create-github-app-token@136412a...67e27a7)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: actions/create-github-app-token
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/post-release-mergeback.yml

@@ -168,7 +168,7 @@ jobs:
             --draft
 
       - name: Generate token
-        uses: actions/create-github-app-token@136412a57a7081aa63c935a2cc2918f76c34f514
+        uses: actions/create-github-app-token@67e27a7eb7db372a1c61a7f9bdab8699e9ee57f7
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}

.github/workflows/update-release-branch.yml

@@ -124,7 +124,7 @@ jobs:
       pull-requests: write # needed to create pull request
     steps:
     - name: Generate token
-      uses: actions/create-github-app-token@136412a57a7081aa63c935a2cc2918f76c34f514
+      uses: actions/create-github-app-token@67e27a7eb7db372a1c61a7f9bdab8699e9ee57f7
       id: app-token
       with:
         app-id: ${{ vars.AUTOMATION_APP_ID }}