chore: Update CI workflow with timeout and enhanced checkout options

This commit modifies the CI workflow to include a timeout of 5 minutes for the skip-ci-check job. Additionally, it updates the checkout step to disable submodules, persist credentials, and clean the workspace, improving the efficiency and reliability of the CI process.

.gitea/workflows/ci.yml

@@ -28,6 +28,7 @@ jobs:
   # Check if CI should be skipped based on branch name or commit message
   skip-ci-check:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     outputs:
       should-skip: ${{ steps.check.outputs.skip }}
     steps:
@@ -35,6 +36,9 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 1
+          submodules: false
+          persist-credentials: false
+          clean: true
 
       - name: Check if CI should be skipped
         id: check