Update codeql-analysis.yml

Author: tillsteinbach

.github/workflows/codeql-analysis.yml

@@ -3,9 +3,13 @@ name: "CodeQL"
 on:
   push:
     branches: [ master ]
+    paths:
+       - '**.js'
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ master ]
+    paths:
+       - '**.js'
   schedule:
     - cron: '33 5 * * 0'