feat(cert-manager): introduce a no-op implementation of ICertificateWatcher

[geoffrey1330]

Part-of #2634

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[geoffrey1330]

Hi @odubajDT Here is the PR could you please review

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (aa1abf0) 85.48% compared to head (c191b99) 85.43%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2708      +/-   ##
==========================================
- Coverage   85.48%   85.43%   -0.05%     
==========================================
  Files         155      155              
  Lines       10175    10178       +3     
==========================================
- Hits         8698     8696       -2     
- Misses       1198     1202       +4     
- Partials      279      280       +1     

Files	Coverage Δ
keptn-cert-manager/pkg/certificates/watcher.go	60.00% <66.66%> (+0.25%)	⬆️

... and 1 file with indirect coverage changes

Flag	Coverage Δ
certificate-operator	67.42% <66.66%> (-0.01%)	⬇️
component-tests	56.08% <ø> (-0.28%)	⬇️
lifecycle-operator	84.44% <ø> (ø)
metrics-operator	87.43% <ø> (ø)
scheduler	36.53% <ø> (ø)

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

[sonarqubecloud]

Quality Gate passed

The SonarCloud Quality Gate passed, but some issues were introduced.

1 New issue
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud