Fix workflow syntax (#15)

Author: mering

.github/workflows/publish-feature.yml

@@ -19,11 +19,12 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - uses: devcontainers-community/publish-feature@v1        with:
-        files: |
-          devcontainer-feature.json
-          install.sh
-          lib.sh
-          LICENSE
-          README.md
-          test.sh
+      - uses: devcontainers-community/publish-feature@v1
+        with:
+          files: |
+            devcontainer-feature.json
+            install.sh
+            lib.sh
+            LICENSE
+            README.md
+            test.sh