chore: code cleanup

[shini4i]

This PR incorporates the following changes:

• Removed unused logging setup
• Replaced text status with icons in frontend to prettify the table page
• Dealt with broken "app not found" logic that was caused by changes introduced in argocd 2.6.7
• Bump versions of backend dependencies
• Small code cleanup here and there

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 53.41%. Comparing base (cbdd6a5) to head (2ebb33a).

Files	Patch %	Lines
cmd/argo-watcher/server/server.go	50.00%	1 Missing ⚠️
cmd/argo-watcher/state/postgres_state.go	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #284      +/-   ##
==========================================
- Coverage   53.42%   53.41%   -0.02%     
==========================================
  Files          26       26              
  Lines        1840     1831       -9     
==========================================
- Hits          983      978       -5     
+ Misses        766      762       -4     
  Partials       91       91              

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarCloud