add e2e test support for extensions + on premise e2e check action

[Onatcer]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.27%. Comparing base (114a325) to head (0348344).

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1176      +/-   ##
============================================
- Coverage     89.29%   89.27%   -0.03%     
  Complexity     2031     2031              
============================================
  Files           282      282              
  Lines          9935     9935              
============================================
- Hits           8871     8869       -2     
- Misses         1064     1066       +2     

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