feat: Adding repository cleanup before fetching new releases

[ViBiOh]

Closes #30

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities (and 0 Security Hotspots to review)
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #50 into master will decrease coverage by 0.28%.
The diff coverage is 28.57%.

@@            Coverage Diff             @@
##           master      #50      +/-   ##
==========================================
- Coverage   49.11%   48.82%   -0.29%     
==========================================
  Files           9        9              
  Lines         338      340       +2     
==========================================
  Hits          166      166              
- Misses        163      165       +2     
  Partials        9        9              

Impacted Files	Coverage Δ
pkg/scheduler/scheduler.go	5.05% <0.00%> (-0.11%)	⬇️
pkg/store/repository/repository.go	76.00% <100.00%> (ø)

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