build(deps): bump actions/create-github-app-token in the actions group

Bumps the actions group with 1 update: [actions/create-github-app-token](https://github.com/actions/create-github-app-token).


Updates `actions/create-github-app-token` from 1.11.5 to 1.11.6
- [Release notes](https://github.com/actions/create-github-app-token/releases)
- [Commits](actions/create-github-app-token@v1.11.5...v1.11.6)

---
updated-dependencies:
- 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]>

Author: dependabot[bot]

Diff for: .github/workflows/post-release-mergeback.yml

@@ -168,7 +168,7 @@ jobs:
             --draft
 
       - name: Generate token
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}

Diff for: .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/[email protected].5
+      uses: actions/[email protected].6
       id: app-token
       with:
         app-id: ${{ vars.AUTOMATION_APP_ID }}