Update ci.yml

Author: AuroraMaster

Diff for: .gitea/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Sync repository
-              uses: https://github.com/https://github.com/actions/checkout@v4
+              uses: https://github.com/actions/checkout@v4
 
             - name: Tag comparison check
               if: startsWith(gitea.ref, 'refs/tags/v')