limit what triggers a docker build

Author: heskew

.github/workflows/docker.yml

@@ -4,6 +4,15 @@ on:
   push:
     branches: [main]
     tags: ['v*']
+    paths-ignore:
+      - 'site/**'
+      - 'docs/**'
+      - 'samples/**'
+      - '*.md'
+      - 'LICENSE'
+      - '.gitleaks*'
+      - '.github/workflows/pages.yml'
+      - '.github/workflows/docs.yml'
   workflow_dispatch:
   schedule:
     # Weekly vulnerability check (Mondays 9am UTC)