Update registry.access.redhat.com/ubi8/openjdk-21-runtime Docker digest to 300a783

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
registry.access.redhat.com/ubi8/openjdk-21-runtime	final	digest	0a8cf41 -> 300a783

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.83%. Comparing base (191b748) to head (50e51ce).
Report is 11 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2362      +/-   ##
============================================
- Coverage     43.84%   43.83%   -0.02%     
+ Complexity      765      764       -1     
============================================
  Files           275      275              
  Lines         13257    13257              
  Branches       1328     1328              
============================================
- Hits           5813     5811       -2     
- Misses         6855     6856       +1     
- Partials        589      590       +1     

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