Handle ImagePullBackOff pod status

[eliasscosta]

close: #3555

Put the same logic from waitStep and call the function isImagePullBackOffState in the tailStep function.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 35.98%. Comparing base (b8763a8) to head (6e509eb).

❗ Current head 6e509eb differs from pull request most recent head 39e8f85. Consider uploading reports for the commit 39e8f85 to get more accurate results

Files	Patch %	Lines
pipeline/backend/kubernetes/kubernetes.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3580      +/-   ##
==========================================
+ Coverage   35.92%   35.98%   +0.06%     
==========================================
  Files         231      231              
  Lines       15603    15554      -49     
==========================================
- Hits         5605     5597       -8     
+ Misses       9581     9540      -41     
  Partials      417      417              

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[woodpecker-bot]

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