fix: Corrected syntax of find command

.gitea/workflows/build-and-push.yml

@@ -24,7 +24,7 @@ jobs:
 
       - name: Build and push containers
         run: |
-          for dir in find . -type f -iname 'Dockerfile' -exec dirname {} \; | sed 's|^\./||'; do
+          for dir in $(find . -type f -iname 'Dockerfile' -exec dirname {} \; | sed 's|^\./||'); do
             tag="${{ secrets.CONTAINER_REGISTRY }}/$dir:latest"
             docker build -t "$tag" "$dir"
             docker push "$tag"