Add julia-actions/cache to docs building in CI

[abhro]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.64%. Comparing base (09cb2e7) to head (13b65e0).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #27   +/-   ##
=======================================
  Coverage   81.64%   81.64%           
=======================================
  Files          10       10           
  Lines         474      474           
=======================================
  Hits          387      387           
  Misses         87       87           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

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