chore(v6): release 6.2.0

[github-actions[bot]]

:robot: I have created a release beep boop

6.2.0 (2024-03-27)

Features

• deps: bump supported Go versions to 1.22 and 1.21 (d026f6a)

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[github-actions[bot]]

:robot: Release is at https://github.com/launchdarkly/go-server-sdk/releases/tag/v6.2.0 :sunflower: