feat: upgrade 1.20 to 1.26

[Poor12]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 8.33333% with 22 lines in your changes missing coverage. Please review.

Project coverage is 33.47%. Comparing base (1f0e7ff) to head (4b2d1a7). Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/controllers/mcs/service_export_controller.go	0.00%	17 Missing :warning:
pkg/controllers/mcs/service_import_controller.go	0.00%	3 Missing :warning:
...g/util/informermanager/federatedinformermanager.go	33.33%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #320      +/-   ##
==========================================
+ Coverage   33.46%   33.47%   +0.01%     
==========================================
  Files         155      155              
  Lines       14627    14627              
==========================================
+ Hits         4895     4897       +2     
+ Misses       9222     9220       -2     
  Partials      510      510              

Flag	Coverage Δ
unittests	33.47% <8.33%> (+0.01%)	:arrow_up:

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