Actions: docker-image.yml: convert tabs to spaces

.github/workflows/docker-image.yml

@@ -6,47 +6,47 @@ name: Create and publish a Docker image
 
 # Build Docker image on new release
 on:
-	push:
-		tags: ['v*']
+  push:
+    tags: ['v*']
 
 
 # Set registry to GitHub Container Registry
 env:
-	REGISTRY: ghcr.io
-	IMAGE_NAME: ${{ github.repository }}
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
 
-	build-and-push-image:
-		runs-on: ubuntu-latest
+  build-and-push-image:
+    runs-on: ubuntu-latest
 
-		permissions:
-			contents: read
-			packages: write
+    permissions:
+      contents: read
+      packages: write
 
-		# Build steps
-		steps:
+    # Build steps
+    steps:
 
-			- name: Checkout repository
-				uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
 
-			- name: Log in to the Container registry
-				uses: docker/login-action@v2
-				with:
-					registry: ${{ env.REGISTRY }}
-					username: ${{ github.actor }}
-					password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-			- name: Extract metadata (tags, labels) for Docker
-				id: meta
-				uses: docker/metadata-action@v4
-				with:
-					images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
-			- name: Build and push Docker image
-				uses: docker/build-push-action@v4
-				with:
-					context: .
-					push: true
-					tags: ${{ steps.meta.outputs.tags }}
-					labels: ${{ steps.meta.outputs.labels }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}