feat: 🎸 add pipeline & pipeline delete-cluster command

[jaskaransarkaria]

Using one command you can delete a cluster via the pipeline

cloud-platform pipeline delete-cluster --cluster-name <name>

The pipeline can delete 5 clusters simultaneously

Future PRs:

• post failures to lower-priority-alarms
• automate deleting clusters at the end of the week (list and then delete) (another job within the pipeline maybe?)

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.15 🎉

Comparison is base (8d6d7e9) 37.06% compared to head (9105d9d) 37.22%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #438      +/-   ##
==========================================
+ Coverage   37.06%   37.22%   +0.15%     
==========================================
  Files          49       50       +1     
  Lines        3167     3175       +8     
==========================================
+ Hits         1174     1182       +8     
  Misses       1865     1865              
  Partials      128      128              

Impacted Files	Coverage Δ
pkg/util/clusterName.go	100.00% <100.00%> (ø)

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