Avoid unnecessary scans for codeql on non code

Add some ignore paths to codeql to not do analysis on md, yaml and txt
files. Which mean if the pr/push contains only those files it will not
be run.

cf:

https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/customizing-your-advanced-setup-for-code-scanning#avoiding-unnecessary-scans-of-pull-requests

Signed-off-by: Chmouel Boudjnah <[email protected]>

Author: chmouel

.github/workflows/codeql-analysis.yml

@@ -14,9 +14,17 @@ name: "CodeQL"
 on:
   push:
     branches: [ main ]
+    paths-ignore:
+      - '**/*.md'
+      - '**/*.txt'
+      - '**/*.yaml'
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ main ]
+    paths-ignore:
+      - '**/*.md'
+      - '**/*.txt'
+      - '**/*.yaml'
   schedule:
     - cron: '30 20 * * 2'