chore(codeql): wire workflow to custom config-file

Adds config-file: ./.github/codeql/codeql-config.yml to the Initialize
CodeQL step so query-filters declared in the new config take effect at
scan time.

Co-authored-by: Claude (Anthropic) <noreply@anthropic.com>

Author: julienmerconsulting

.github/workflows/codeql.yml

@@ -71,6 +71,7 @@ jobs:
       with:
         languages: ${{ matrix.language }}
         build-mode: ${{ matrix.build-mode }}
+        config-file: ./.github/codeql/codeql-config.yml
         # If you wish to specify custom queries, you can do so here or in a config file.
         # By default, queries listed here will override any specified in a config file.
         # Prefix the list here with "+" to use these queries and those in the config file.