ci: run on tsys label

.gitea/workflows/ci.yml

@@ -9,7 +9,8 @@ on:
 jobs:
   backend:
     name: Backend Tests
-    runs-on: ubuntu-latest
+    runs-on:
+      - tsys-repos
     services:
       postgres:
         image: postgres:15-alpine
@@ -50,7 +51,8 @@ jobs:
 
   frontend:
     name: Frontend Tests
-    runs-on: ubuntu-latest
+    runs-on:
+      - tsys-repos
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -72,7 +74,8 @@ jobs:
 
   docker-images:
     name: Build Docker Images
-    runs-on: ubuntu-latest
+    runs-on:
+      - tsys-repos
     needs: [backend, frontend]
     if: github.ref == 'refs/heads/main'
     env: