build(deps): bump github/codeql-action from 2.20.2 to 2.21.8

Bumps [github/codeql-action](https://github.com/github/codeql-action) from 2.20.2 to 2.21.8.
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](github/codeql-action@004c5de...6a28655)

---
updated-dependencies:
- dependency-name: github/codeql-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/static-analysis.yml

@@ -71,11 +71,11 @@ jobs:
       - uses: hendrikmuhs/ccache-action@6d1841ec156c39a52b1b23a810da917ab98da1f4 # v1.2.10
         with:
           key: ${{ github.job }}
-      - uses: github/codeql-action/init@004c5de30b6423267685b897a3d595e944f7fed5 # v2.20.2
+      - uses: github/codeql-action/init@6a28655e3dcb49cb0840ea372fd6d17733edd8a4 # v2.21.8
         with:
           languages: cpp
       - run: |
           cmake --preset ContinuousIntegration -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
           cmake --build --preset ContinuousIntegration
-      - uses: github/codeql-action/analyze@004c5de30b6423267685b897a3d595e944f7fed5 # v2.20.2
+      - uses: github/codeql-action/analyze@6a28655e3dcb49cb0840ea372fd6d17733edd8a4 # v2.21.8