chore(main): release 9.9.0

[release-please[bot]]

:robot: I have created a release beep boop

9.9.0 (2024-04-18)

Features

• Adds suppliers for custom subject token and AWS credentials (#1795) (c680b5d)

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[release-please[bot]]

:robot: Release is at https://github.com/googleapis/google-auth-library-nodejs/releases/tag/v9.9.0 :sunflower:

[release-trigger[bot]]

Triggered job: cloud-devrel/client-libraries/nodejs/release/googleapis/google-auth-library-nodejs/publish (2024-04-24T17:30:35.455Z)

To trigger again, remove the autorelease: triggered label (in a few minutes).

[release-tool-publish-reporter[bot]]

The release build has started, the log can be viewed here. :sunflower:

[release-tool-publish-reporter[bot]]

:egg: You hatched a release! The release build finished successfully! :purple_heart: