migrate tests on ubicloud

.github/workflows/backend-test.yml

@@ -15,7 +15,7 @@ on:
 
 jobs:
   cargo_test:
-    runs-on: [self-hosted, new]
+    runs-on: ubicloud
     container:
       image: ghcr.io/windmill-labs/backend-tests
     services:
@@ -41,5 +41,6 @@ jobs:
         run:
           mkdir frontend/build && cd backend && touch
           windmill-api/openapi-deref.yaml &&
-          DATABASE_URL=postgres://postgres:changeme@postgres:5432/windmill DISABLE_EMBEDDING=true cargo
-          test --features enterprise --all -- --nocapture 
+          DATABASE_URL=postgres://postgres:changeme@postgres:5432/windmill
+          DISABLE_EMBEDDING=true cargo test --features enterprise --all --
+          --nocapture

.github/workflows/clean-docker.yml

@@ -1,13 +0,0 @@
-name: Clean docker
-on:
-  schedule:
-    # * is a special character in YAML so you have to quote this string
-    - cron: "0 0 */2 * *"
-
-jobs:
-  build:
-    runs-on: [self-hosted, new]
-    steps:
-      - name: clean docker
-        run: |
-          sudo docker system prune -f