Update docker.yml

Add Self Host to auto image

Author: seamon67

.github/workflows/docker.yml

@@ -2,7 +2,7 @@ name: Create and publish a Docker image
 
 on:
   push:
-    branches: ["main", "authentik"]
+    branches: ["main", "authentik","selfhost"]
 
 env:
   REGISTRY: ghcr.io
@@ -41,4 +41,4 @@ jobs:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}