Merge branch 'dev'

.github/renovate.json

@@ -0,0 +1,7 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "enabled": false,
+  "extends": [
+    "config:recommended"
+  ]
+}

.github/workflows/docker.yml

@@ -1,9 +1,9 @@
 name: Build and push Docker image (amd64, arm64 to hub.docker.com and ghcr.io)
 
 on:
-  workflow_dispatch: # allow manual trigger
-  push: # build for each branch
-    # branches: ["main"]
+  workflow_dispatch: # allows manual trigger
+  push: # push on branch
+    branches: [main, dev]
     paths: # ignore changes to .md files
       - '**'
       - '!*.md'