chore(main): release 1.2.1

[release-please[bot]]

:robot: I have created a release beep boop

1.2.1 (2024-07-22)

Bug Fixes

• refresh token prior to metadata exchange (#351) (1ab11e6), closes #346

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[release-please[bot]]

:robot: Created releases:

• v1.2.1 :sunflower:

[release-trigger[bot]]

Triggered job: cloud-devrel/client-libraries/python/GoogleCloudPlatform/alloydb-python-connector/release/release (2024-07-22T17:26:52.734Z)

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