test: updating e2e hook finalizer

[agaudreault]

Related to argoproj/gitops-engine#754

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[codecov]

Codecov Report

❌ Patch coverage is 57.14286% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.23%. Comparing base (8c3b78e) to head (7a45cf0).
⚠️ Report is 1004 commits behind head on master.

Files with missing lines	Patch %	Lines
cmd/argocd/commands/app.go	45.45%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #24215      +/-   ##
==========================================
+ Coverage   60.20%   60.23%   +0.02%     
==========================================
  Files         348      348              
  Lines       59918    59921       +3     
==========================================
+ Hits        36074    36092      +18     
+ Misses      20951    20939      -12     
+ Partials     2893     2890       -3     

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[agaudreault]

Implemented in #25916