GH: don't run docker build on PRs, disable publish for now

.github/workflows/docker.yml

@@ -4,8 +4,6 @@ on:
   push:
     branches: [ main ]
     tags: [ 'v*' ]
-  pull_request:
-    branches: [ main ]
 
 env:
   REGISTRY: ghcr.io

.github/workflows/publish.yaml

@@ -1,8 +1,11 @@
 name: Upload Python Package
 
 on:
-  release:
-    types: [created]
+  workflow_dispatch:  # Manual trigger only - workflow disabled from auto-running
+
+#on:
+#  release:
+#    types: [created]
 
 jobs:
   deploy: