feat: reconcile redissentinel only on master changed

[drivebyer]

Description

Fixes #1094 #802

Type of change

• New feature (non-breaking change which adds functionality)

Checklist

• Tests have been added/modified and all tests pass.
• Functionality/bugs have been confirmed to be unchanged or fixed.
• I have performed a self-review of my own code.
• Documentation has been updated or added where necessary.

Additional Context

[codecov]

Codecov Report

Attention: Patch coverage is 16.66667% with 10 lines in your changes missing coverage. Please review.

Project coverage is 44.23%. Comparing base (d121d86) to head (87badb8).
Report is 128 commits behind head on master.

Files with missing lines	Patch %	Lines
...trollers/redissentinel/redissentinel_controller.go	16.66%	9 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1122      +/-   ##
==========================================
+ Coverage   35.20%   44.23%   +9.02%     
==========================================
  Files          19       20       +1     
  Lines        3213     3423     +210     
==========================================
+ Hits         1131     1514     +383     
+ Misses       2015     1822     -193     
- Partials       67       87      +20     

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[gitguardian]

⚠️ GitGuardian has uncovered 1 secret following the scan of your pull request.

Please consider investigating the findings and remediating the incidents. Failure to do so may lead to compromising the associated services or software components.

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Skipping this check run and merging your pull request will create secret incidents on your GitGuardian dashboard.

🔎 Detected hardcoded secret in your pull request

GitGuardian id	GitGuardian status	Secret	Commit	Filename
5685959	Triggered	Generic Password	87badb8	tests/e2e-chainsaw/v1beta2/setup/ha/sentinel-password/secret.yaml	View secret

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