Added CodeQL Tasks to Build Pipelines

[arpavan]

Description

This PR adds CodeQL tasks to the build pipelines in this repo.

Checklist

• [N/A] The code change is covered by unit tests. I have added tests that prove my fix is effective or that my feature works
• [x] I have performed end-to-end test locally.
• [N/A] New and existing unit tests pass locally with my changes
• [N/A] I have commented my code, particularly in hard-to-understand areas
• [N/A] I have made corresponding changes to the documentation
• [N/A] My changes generate no new warnings
• [x] I used clear names for everything
• [x] I have performed a self-review of my own code

[github-advanced-security[bot]]

This pull request sets up GitHub code scanning for this repository. Once the scans have completed and the checks have passed, the analysis results for this pull request branch will appear on this overview. Once you merge this pull request, the 'Security' tab will show more code scanning analysis results (for example, for the default branch). Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results. For more information about GitHub code scanning, check out the documentation.

[github-actions[bot]]

Package	Line Rate	Branch Rate	Complexity	Health
Microsoft.PowerApps.TestEngine	92%	88%	923	✔
Summary	92% (2456 / 2684)	88% (557 / 634)	923	✔

Minimum allowed line rate is 85%