List Fission resource for specific namespace in newdeploy reaper

[shubham-bansal96]

Description

Which issue(s) this PR fixes:

Fixes #

Testing

Checklist:

• I ran tests as well as code linting locally to verify my changes.
• I have done manual verification of my changes, changes working as expected.
• I have added new tests to cover my changes.
• My changes follow contributing guidelines of Fission.
• I have signed all of my commits.

[codecov]

Codecov Report

Merging #2590 (157d0e3) into main (47cbbef) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2590      +/-   ##
==========================================
+ Coverage   19.76%   19.78%   +0.01%     
==========================================
  Files          62       62              
  Lines        7001     7001              
==========================================
+ Hits         1384     1385       +1     
+ Misses       5511     5510       -1     
  Partials      106      106              

Flag	Coverage Δ
unittests	19.78% <ø> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/utils/httpserver/server.go	61.11% <0.00%> (+5.55%)	⬆️

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