Use agent app az in sbom workflow

[jjngx]

Proposed changes

Use Agent AZ app creds for SBOM from source workflow.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING document
• I have run make install-tools and have attached any dependency changes to this pull request
• If applicable, I have added tests that prove my fix is effective or that my feature works
• If applicable, I have checked that any relevant tests pass after adding my changes
• If applicable, I have updated any relevant documentation (README.md)
• If applicable, I have tested my cross-platform changes on Ubuntu 22, Redhat 8, SUSE 15 and FreeBSD 13

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.02%. Comparing base (7c44aad) to head (edab225).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1553   +/-   ##
=======================================
  Coverage   85.02%   85.02%           
=======================================
  Files         103      103           
  Lines       13589    13589           
=======================================
  Hits        11554    11554           
  Misses       1518     1518           
  Partials      517      517           

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7c44aad...edab225. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.