fix: Bearer token bitbucket server typo (cherry-pick #20169)

[gcp-cherry-pick-bot]

Cherry-picked Fixes minor typo which lead to using the bearer token as api URL and was obviously not working. (#20169)

Signed-off-by: asjervanasten asjer94@live.com

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 55.82%. Comparing base (99b30a8) to head (00b9e6c).
Report is 6 commits behind head on release-2.13.

Files with missing lines	Patch %	Lines
applicationset/generators/pull_request.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-2.13   #20170      +/-   ##
================================================
+ Coverage         55.78%   55.82%   +0.04%     
================================================
  Files               320      320              
  Lines             44384    44384              
================================================
+ Hits              24759    24778      +19     
+ Misses            17060    17038      -22     
- Partials           2565     2568       +3     

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[todaywasawesome]

The failing tests aren't an issue here, looks good to go.