fix(server): validate new project on update (#23970) (cherry-pick #23973 for 3.1)

[argo-cd-cherry-pick-bot]

Cherry-picked fix(server): validate new project on update (#23970) (#23973)

Signed-off-by: Alexandre Gaudreault [email protected]

[codecov]

Codecov Report

❌ Patch coverage is 59.09091% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.34%. Comparing base (96797ba) to head (b20d01b).
⚠️ Report is 2 commits behind head on release-3.1.

Files with missing lines	Patch %	Lines
util/argo/argo.go	47.05%	6 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           release-3.1   #24662   +/-   ##
============================================
  Coverage        60.33%   60.34%           
============================================
  Files              346      346           
  Lines            59248    59252    +4     
============================================
+ Hits             35746    35753    +7     
+ Misses           20614    20612    -2     
+ Partials          2888     2887    -1     

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