(actions) cleanup untagged containers (#684)

* (actions) cleanup untagged containers

These can be created in case of failing actions

* Bump VERSION to 1.12.1

.github/workflows/cleanup_untagged_containers.yml

@@ -0,0 +1,22 @@
+name: Cleanup untagged containers
+
+on:
+  schedule:
+    - cron: '0 2 * * *'
+  workflow_dispatch:
+
+jobs:
+  delete_untagged_containers:
+    name: Delete untagged containers
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        package_name: ["tue-env-ros-noetic", "tue-env-ros-galactic", "tue-env-ros-humble"]
+    steps:
+      - uses: actions/delete-package-versions@v4
+        with:
+          package-name: ${{ matrix.package_name }}
+          package-type: container
+          delete-only-untagged-versions: true
+          min-versions-to-keep: 0

VERSION

@@ -1 +1 @@
-1.12.0
+1.12.1