update workflow

Author: mxritzdev

.github/workflows/build-docker-image.yml

@@ -38,4 +38,4 @@ jobs:
           platforms: linux/amd64,linux/arm64
           push: true
           tags: |
-            ghcr.io/moritz-deiaco/linkrouter:latest,ghcr.io/moritz-deiaco/linkrouter:v${{ github.run_number }}
+            ghcr.io/${{ github.repository_owner }}/linkrouter:latest,ghcr.io/${{ github.repository_owner }}/linkrouter:v${{ github.run_number }}