chore(main): release 2.2.0

[github-actions[bot]]

:robot: I have created a release beep boop

2.2.0 (2024-07-19)

Features

• Add option to omit anonymous users from index and identify events (#89) (78c9668)
• Add support for migrations (#90) (445ab74)
• Add wait_for_initialization with timeout parameter (#76) (45e3451)

Bug Fixes

• Bump rustc to 1.74 (#78) (0c1c58d)

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[github-actions[bot]]

:robot: Release is at https://github.com/launchdarkly/rust-server-sdk/releases/tag/2.2.0 :sunflower: