WIP: add Sentry Logs (experimental)

[Flash0ver]

Add support, API and integrations for Sentry Logs

• https://docs.sentry.io/product/explore/logs/
• https://develop.sentry.dev/sdk/telemetry/logs/

DRAFT: WORK IN PROGRESS

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

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Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

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## Unreleased

- add Sentry Logs (experimental) ([#4308](https://github.com/getsentry/sentry-dotnet/pull/4308))

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