add provider spec for disabling default GKE provider behavior

[waveywaves]

fixes #85

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 114 lines in your changes are missing coverage. Please review.

Project coverage is 5.42%. Comparing base (c2da179) to head (c7ba666).
Report is 145 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #91       +/-   ##
==========================================
- Coverage   19.58%   5.42%   -14.16%     
==========================================
  Files           4       9        +5     
  Lines         388     884      +496     
==========================================
- Hits           76      48       -28     
- Misses        308     836      +528     
+ Partials        4       0        -4     

Files	Coverage Δ
src/controllers/uffizzicluster/workload.go	0.00% <0.00%> (ø)
...ollers/uffizzicluster/uffizzicluster_controller.go	0.00% <0.00%> (ø)

[github-actions]

Uffizzi Cluster pr-91 was deleted.