Multiple aliases for the same image only 1 parameter is updated

[chengfang]

Fixes https://github.com/argoproj-labs/argocd-image-updater/issues/809

For multiple aliases pointing to the same image, parameters for each alias should be updated according to the application annotations. The test is contributed by dshmelev.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.

Project coverage is 73.43%. Comparing base (8c9e269) to head (5edd5ca). Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/argocd/argocd.go	72.72%	1 Missing and 2 partials :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #846      +/-   ##
==========================================
- Coverage   73.46%   73.43%   -0.03%     
==========================================
  Files          31       31              
  Lines        3128     3136       +8     
==========================================
+ Hits         2298     2303       +5     
- Misses        694      695       +1     
- Partials      136      138       +2     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.