Draft: changing azure credentials to OIDC

[Akshay2191]

This PR migrates the v3 release pipelines off the legacy AZURE_CREDENTIALS secret to OIDC.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.94%. Comparing base (817853f) to head (4e683e7).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1914   +/-   ##
=======================================
  Coverage   88.94%   88.94%           
=======================================
  Files         111      111           
  Lines       12413    12413           
=======================================
  Hits        11041    11041           
  Misses       1370     1370           
  Partials        2        2           

---

Continue to review full report in Codecov by Harness.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 817853f...4e683e7. Read the comment docs.

🚀 New features to boost your workflow:

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