Fixed inaccessible methods in namespaced package

[jongpie]

• Fixed Classes are not accessible in the namespace package version #11 by updating CacheManager to make several items global instead of public
  • CacheManager.Cacheable interface
  • Cacheable getOrganizationCache() static method
  • Cacheable getOrganizationCache(CacheConfiguration__mdt configuration) static method
  • Cacheable getSessionCache() static method
  • Cacheable getSessionCache(CacheConfiguration__mdt configuration) static method
  • Cacheable getTransactionCache() static method
• Added pipeline for GitHub Actions

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@104a41c). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #12   +/-   ##
=======================================
  Coverage        ?   97.28%           
=======================================
  Files           ?        1           
  Lines           ?      221           
  Branches        ?        0           
=======================================
  Hits            ?      215           
  Misses          ?        6           
  Partials        ?        0           

Flag	Coverage Δ
Apex	97.28% <0.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.