chore(main): release 9.6.3

[release-please[bot]]

:robot: I have created a release beep boop

9.6.3 (2024-02-06)

Bug Fixes

• Always sign with scopes on Non-Default Universes (#1752) (f3d3a03)

---

This PR was generated with Release Please. See documentation.

[release-please[bot]]

:robot: Release is at https://github.com/googleapis/google-auth-library-nodejs/releases/tag/v9.6.3 :sunflower:

[release-trigger[bot]]

Triggered job: cloud-devrel/client-libraries/nodejs/release/googleapis/google-auth-library-nodejs/publish (2024-02-06T22:51:18.283Z)

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: