[ST] Fix path to DrainCleaner deployment file in STs

[im-konge]

Type of change

• Bugfix

Description

This PR fixes issue with installation of DrainCleaner - as all the files are taken from the path configured by the platform, but the DrainCleaner dep file was always taken from kubernetes folder, which is wrong.

Checklist

• Make sure all tests pass

[im-konge]

/gha run pipeline=regression

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.92%. Comparing base (386d218) to head (488c2d0).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main   #12042   +/-   ##
=========================================
  Coverage     74.91%   74.92%           
- Complexity     6454     6455    +1     
=========================================
  Files           343      343           
  Lines         24336    24336           
  Branches       3207     3207           
=========================================
+ Hits          18232    18233    +1     
  Misses         4830     4830           
+ Partials       1274     1273    -1     

see 1 file with indirect coverage changes

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[github-actions]

⏳ System test verification started: link

The following 6 job(s) will be executed:

• regression-brokers-and-security-amd64 (oracle-vm-8cpu-32gb-x86-64)
• regression-operators-amd64 (oracle-vm-8cpu-32gb-x86-64)
• regression-operands-amd64 (oracle-vm-8cpu-32gb-x86-64)
• regression-brokers-and-security-arm64 (oracle-vm-8cpu-32gb-arm64)
• regression-operators-arm64 (oracle-vm-8cpu-32gb-arm64)
• regression-operands-arm64 (oracle-vm-8cpu-32gb-arm64)

Tests will start after successful build completion.

[github-actions]

🎉 System test verification passed: link