Update CI configurations to use Node 22 Docker image

- Replaced alpine/git v2.47.2 image with node:22 image for the sync_branches job.
- Added node:22 image to the frontend_build_job for consistency in builds.
- This ensures compatibility with Node.js-based tasks and streamlines CI setup.

frontend/.gitlab-ci.yml

@@ -3,5 +3,6 @@ stages:
 
 frontend_build_job:
   stage: frontend_build
+  image: node:22@sha256:f6b9c31ace05502dd98ef777aaa20464362435dcc5e312b0e213121dcf7d8b95
   script:
     - echo "Building frontend project"