feat(logs): when Debug is true then SDK-Logger also prints to the Console

[Flash0ver]

See also https://develop.sentry.dev/sdk/telemetry/logs/.

Other

If debug is set to true in SDK init, calls to the Sentry logger API should also print to the console with the appropriate log level. This will help debugging logging setups.

---

CHANGES

• When SentryOptions.Debug is enabled and a SentryLog is captured via the SDK-Logger-APIs, but not filtered via BeforeSendLog, then also print the message to the standard output stream.

TODO

• also write to Trace/Listeners
  • in which cases?
• CHANGELOG entry

[github-actions[bot]]

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## Unreleased

### Features

- when Debug is true then SDK-Logger also prints to the Console ([#4785](https://github.com/getsentry/sentry-dotnet/pull/4785))

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