OSD-18645 - Initial implementation for CannotRetrieveUpdatesSRE

[anispate]

OSD-18645 - CAD implementation for CannotRetrieveUpdatesSRE

Sample ticket: https://redhat.pagerduty.com/incidents/Q1S45W54TK1QKU#:~:text=%E2%9A%A0%EF%B8%8F%20ClusterVersion%20error%20detected,primary%20for%20review

Updated sample ticket: https://redhat.pagerduty.com/incidents/Q2UVRI8YGLPP3G

Updated sample ticket: https://redhat.pagerduty.com/incidents/Q01H4ZQHM90EML

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 27.11864% with 43 lines in your changes missing coverage. Please review.

Project coverage is 31.96%. Comparing base (71ed508) to head (503c320).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...nnotretrieveupdatessre/cannotretrieveupdatessre.go	27.11%	42 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #404      +/-   ##
==========================================
- Coverage   32.08%   31.96%   -0.12%     
==========================================
  Files          35       36       +1     
  Lines        2425     2484      +59     
==========================================
+ Hits          778      794      +16     
- Misses       1587     1629      +42     
- Partials       60       61       +1     

Files with missing lines	Coverage Δ
pkg/investigations/registry.go	0.00% <ø> (ø)
...nnotretrieveupdatessre/cannotretrieveupdatessre.go	27.11% <27.11%> (ø)

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[tnierman]

/lgtm
/approve

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