chore(Java): release 8.10.0

[meiao]

Give us some context

This has the release notes for the new Java agent.
Updated compatibility and documentation.

[CLAassistant]

All committers have signed the CLA.

[github-actions]

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[akristen]

@obenkenobi hi hi! We've had to migrate the docs site recently and update our CLA. Do you mind re-signing it for us?

[akristen]

Thanks for this documentation @meiao ! Because there's a new doc + additional content, we'll get this reviewed within our 3-day SLA. Let us know if you have any questions in the docs help channel.

[meiao]

This PR has been split into 2
#16712
#16713