fix: Correctly set the credentials token source and the WithIAMAuthN opt#2544

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mruoss wants to merge 2 commits intoGoogleCloudPlatform:mainfrom

mruoss:gh-2542-impersonate-flag-fix

Commits on Jan 22, 2026

fix: Correctly set the credentials token source
hessjcg
committed

Commits on Jan 23, 2026

fix: Correctly set the credentials token source and the WithIAMAuthN opt
mruoss
committed