WIP: Scoped logs and metrics capture

[limbonaut]

Work-in-progress: 🚧🔨⏳

• Refs Make scopes more aligned to Sentry specs to ease support in the downstream SDKs #1838
• Needed for WIP: Add support for current scopes in GDScript (take two) sentry-godot#807

[github-actions]

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## Unreleased

### Features

- Scoped logs and metrics capture ([#1861](https://github.com/getsentry/sentry-native/pull/1861))

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