chore(main): release 1.6.0

[release-please[bot]]

:robot: I have created a release beep boop

1.6.0 (2024-07-14)

Features

• Add uint64 support (#272) (5ed831a)

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[release-please[bot]]

:robot: Created releases:

• v1.6.0 :sunflower:

[release-trigger[bot]]

Triggered job: cloud-devrel/client-libraries/go/go-sql-spanner/release (2024-07-16T06:29:12.473Z)

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