ci: upgrade codeql-action to v4.34.0 in scorecard workflow

[saivenkateshi]

Summary:
Upgrades the deprecated CodeQL GitHub Action from v2.17.2 to v4.34.0 in scorecard.yaml.

Why:
CodeQL v2 is discontinued and needs to be upgraded to v4 (for the compatible Node.js 24 version).

Fixes #26955

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• The title of the PR conforms to the Title of the PR
• I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• Does this PR require documentation updates?
• I've updated documentation as required by this PR.
• I have signed off all my commits as required by DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My build is green (troubleshooting builds).
• My new feature complies with the feature status guidelines.
• I have added a brief description of why this PR is necessary and/or what this PR solves.
• Optional. My organization is added to USERS.md.
• Optional. For bug fixes, I've indicated what older releases this fix should be cherry-picked into (this may or may not happen depending on risk/complexity).

[bunnyshell]

✅ Preview Environment deployed on Bunnyshell

Component	Endpoints
argocd	https://argocd-himptd.bunnyenv.com/
argocd-ttyd	https://argocd-web-cli-himptd.bunnyenv.com/

See: Environment Details | Pipeline Logs

Available commands (reply to this comment):

• 🔴 /bns:stop to stop the environment
• 🚀 /bns:deploy to redeploy the environment
• ❌ /bns:delete to remove the environment

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.16%. Comparing base (bd7b16c) to head (76d6888).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #26964      +/-   ##
==========================================
- Coverage   63.19%   63.16%   -0.03%     
==========================================
  Files         414      414              
  Lines       56461    56461              
==========================================
- Hits        35678    35664      -14     
- Misses      17416    17425       +9     
- Partials     3367     3372       +5     

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