CI: bump github/codeql-action from 3.26.6 to 3.26.8

Bumps [github/codeql-action](https://github.com/github/codeql-action) from 3.26.6 to 3.26.8.
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](4dd16135b6...294a9d9291)

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

Signed-off-by: dependabot[bot] <support@github.com>

Closes #15019

.github/workflows/codeql-analysis.yml

@@ -51,7 +51,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@4dd16135b69a43b6c8efb853346f8437d92d3c93 # v3
+        uses: github/codeql-action/init@294a9d92911152fe08befb9ec03e240add280cb3 # v3
         with:
           languages: cpp
           queries: security-extended
@@ -59,7 +59,7 @@ jobs:
       # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
       # If this step fails, then you should remove it and run the build manually (see below)
       - name: Autobuild
-        uses: github/codeql-action/autobuild@4dd16135b69a43b6c8efb853346f8437d92d3c93 # v3
+        uses: github/codeql-action/autobuild@294a9d92911152fe08befb9ec03e240add280cb3 # v3
 
       # ℹ️ Command-line programs to run using the OS shell.
       # 📚 https://git.io/JvXDl
@@ -73,4 +73,4 @@ jobs:
       #    make release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@4dd16135b69a43b6c8efb853346f8437d92d3c93 # v3
+        uses: github/codeql-action/analyze@294a9d92911152fe08befb9ec03e240add280cb3 # v3