Add automatic workflow trigger paths

Author: calebkiage

.github/workflows/docker-publish.yml

@@ -10,7 +10,7 @@ on:
   push:
     branches: [main]
     tags: ['v*']
-    paths: ['src/**', '.github/workflows/**']
+    paths: ['src/**', '.github/workflows/**', 'docker/**', 'Dockerfile']
 env:
   IMAGE_NAME: ${{ github.repository }}
   REGISTRY: ghcr.io