:bug: fix CodeQL is triggered multiple times

.github/workflows/codeql-analysis.yml

@@ -2,8 +2,13 @@ name: CodeQL
 
 on:
   push:
+    branches: [master]
   pull_request:
+    branches: [master]
     types: [opened, synchronize, reopened]
+    paths-ignore:
+      - '**/*.md'
+      - '**/*.txt'
 
 jobs:
   analyze: