ci: add paths-ignore to E2E and CI workflows (#271)

Skip workflow runs for docs-only commits (markdown, LICENSE, CHANGELOG).
workflow_dispatch and schedule triggers are unaffected.

Closes #258

Author: slauger

.github/workflows/ci.yaml

@@ -3,8 +3,20 @@ name: CI
 on:
   push:
     branches: [main, develop]
+    paths-ignore:
+      - '**/*.md'
+      - 'docs/**'
+      - 'LICENSE'
+      - 'CHANGELOG*'
+      - '.github/*.md'
   pull_request:
     branches: [main, develop]
+    paths-ignore:
+      - '**/*.md'
+      - 'docs/**'
+      - 'LICENSE'
+      - 'CHANGELOG*'
+      - '.github/*.md'
 
 jobs:
   unicode:

.github/workflows/e2e.yaml

@@ -7,6 +7,12 @@ concurrency:
 on:
   push:
     branches: [develop]
+    paths-ignore:
+      - '**/*.md'
+      - 'docs/**'
+      - 'LICENSE'
+      - 'CHANGELOG*'
+      - '.github/*.md'
   workflow_dispatch:
     inputs:
       image_tag: