Migrations for ArgoCD multi source application limitations

[jkroepke]

What this PR does / why we need it:

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #337

Special notes for your reviewer:

PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR

[codecov]

Codecov Report

Base: 86.08% // Head: 85.71% // Decreases project coverage by -0.37% ⚠️

Coverage data is based on head (02e0a89) compared to base (4973088).
Patch coverage: 64.28% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #340      +/-   ##
==========================================
- Coverage   86.08%   85.71%   -0.37%     
==========================================
  Files          22       23       +1     
  Lines         812      826      +14     
==========================================
+ Hits          699      708       +9     
- Misses        113      118       +5     

Impacted Files	Coverage Δ
scripts/wrapper/helm.sh	0.00% <0.00%> (ø)
scripts/lib/common.sh	70.83% <75.00%> (+0.83%)	⬆️
scripts/run.sh	90.67% <100.00%> (+0.24%)	⬆️

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