fix(state): change migrations back to migration library

[bozerkins]

Returned the migration library that we used in previous iterations.
Created a new migration that adjusts the table structure to match ORM model configurations.
In future releases we should migrate to a migration tool that supports gorm - Atlas

[codecov]

Codecov Report

Merging #172 (f198c2d) into main (a71fd2c) will increase coverage by 0.06%.
The diff coverage is 55.55%.

@@            Coverage Diff             @@
##             main     #172      +/-   ##
==========================================
+ Coverage   49.47%   49.53%   +0.06%     
==========================================
  Files          15       15              
  Lines         946      971      +25     
==========================================
+ Hits          468      481      +13     
- Misses        427      435       +8     
- Partials       51       55       +4     

Files Changed	Coverage Δ
cmd/argo-watcher/config/config.go	83.33% <ø> (ø)
cmd/argo-watcher/state/postgres_state.go	63.46% <52.00%> (-2.71%)	⬇️
cmd/argo-watcher/state/in_memory_state.go	87.83% <100.00%> (+0.33%)	⬆️

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication