Shared: Include data extensions in workspace

This change allows codeql to see data extensions stored in the .github
directory inside the codeql repo. This is useful when using the CodeQL
Model Editor whilst working inside the codeql repo.

Author: hmac

codeql-workspace.yml

@@ -29,6 +29,7 @@ provide:
   - "swift/extractor-pack/codeql-extractor.yml"
   - "swift/integration-tests/qlpack.yml"
   - "ql/extractor-pack/codeql-extractor.yml"
+  - ".github/codeql/extensions/**/codeql-pack.yml"
 
 versionPolicies:
   default: