Prepare for v3.7.0 release

[sozercan]

Signed-off-by: Sertac Ozercan [email protected]

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):
Fixes #

Special notes for your reviewer:

[codecov-commenter]

Codecov Report

Merging #1661 (b89fd87) into master (f43223e) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1661      +/-   ##
==========================================
+ Coverage   52.05%   52.06%   +0.01%     
==========================================
  Files          98       98              
  Lines        8693     8693              
==========================================
+ Hits         4525     4526       +1     
- Misses       3806     3808       +2     
+ Partials      362      359       -3     

Flag	Coverage Δ
unittests	52.06% <ø> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
...onstrainttemplate/constrainttemplate_controller.go	57.10% <0.00%> (-0.72%)	⬇️
pkg/controller/config/config_controller.go	65.04% <0.00%> (ø)
pkg/readiness/list.go	91.17% <0.00%> (+11.76%)	⬆️

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[maxsmythe]

LGTM