chore: Test build in rootless act runner

.gitea/workflows/actions.yaml

@@ -46,7 +46,7 @@ jobs:
   build_container:
     name: Container image
     container: catthehacker/ubuntu:act-latest
-    runs-on: dind
+    runs-on: dind-rootless
     needs: semrel_dryrun
     steps:
       - name: Checkout
@@ -66,7 +66,7 @@ jobs:
   semrel:
     name: Semantic Release
     runs-on: dind-rootless
-    needs: [build_container, build_chart]
+    needs: build_container
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3