ci: ignore codeql examples and thirdparty

Author: vicentebolea

.github/workflows/everything.yml

@@ -592,7 +592,8 @@ jobs:
       uses: advanced-security/filter-sarif@v1
       with:
         patterns: |
-          -source/thirdparty/**/*
+          -thirdparty/**/*
+          -examples/**/*
         input: sarif-results/cpp.sarif
         output: sarif-results/cpp.sarif
     - name: Upload SARIF