ci: skip build.yml on release commits

.gitea/workflows/build.yml

@@ -9,6 +9,7 @@ on:
 
 jobs:
   test-frontend:
+    if: ${{ !startsWith(gitea.event.head_commit.message, 'chore: release v') }}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -36,6 +37,7 @@ jobs:
           npm run build
 
   build-image:
+    if: ${{ !startsWith(gitea.event.head_commit.message, 'chore: release v') }}
     needs: [test-frontend]
     runs-on: ubuntu-latest
     steps: