docs(oidc): fix OIDC_SCOPE default and clarify override behavior, skip CI for docs-only pushes, remove stale audit files

.github/workflows/docker.yml

@@ -3,6 +3,9 @@ name: Build & Push Docker Image
 on:
   push:
     branches: [main]
+    paths-ignore:
+      - 'docs/**'
+      - '**/*.md'
   workflow_dispatch:
 
 permissions: