fix gh bug and use free runners on github

.github/workflows/ffo-test.yml

@@ -21,6 +21,7 @@ jobs:
       - uses: docker/setup-buildx-action@v3
       - uses: docker/bake-action@v6
         with:
+          source: .
           push: false
           targets: build, lint ,core-unit
           no-cache: true
@@ -36,14 +37,14 @@ jobs:
       - uses: docker/setup-buildx-action@v3
       - uses: docker/bake-action@v6
         with:
+          source: .
           push: false
           targets: build, lint ,core-unit
           no-cache: false
 
   depot-no-cache:
     timeout-minutes: 20
-    runs-on:
-      group: zitadel-public
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
@@ -59,8 +60,7 @@ jobs:
 
   depot-cache:
     timeout-minutes: 20
-    runs-on:
-      group: zitadel-public
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with: