Auto-updated submodule references: Bump codeql

Bumps [codeql](https://github.com/github/codeql) from `37a5462` to `2e981e3`.
- [Commits](github/codeql@37a5462...2e981e3)

---
updated-dependencies:
- dependency-name: codeql
  dependency-type: direct:production
...

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Author: dependabot[bot]