fix: adding pod subresources in mutation rules

[JaydipGabani]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, using fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when the PR gets merged):
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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.75%. Comparing base (3350319) to head (dcdc5f6).
Report is 84 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (3350319) and HEAD (dcdc5f6). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (3350319)	HEAD (dcdc5f6)
unittests	2	1

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3426      +/-   ##
==========================================
- Coverage   54.49%   46.75%   -7.75%     
==========================================
  Files         134      218      +84     
  Lines       12329    14784    +2455     
==========================================
+ Hits         6719     6912     +193     
- Misses       5116     7070    +1954     
- Partials      494      802     +308     

Flag	Coverage Δ
unittests	46.75% <ø> (-7.75%)	⬇️

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[maxsmythe]

LGTM

[ritazh]

LGTM