[OpenTelemetry] Logs - Return None for unset or out-of-range LogLevel mapping#7092

martincostello merged 4 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-dotnet:mainfrom

ysolomchenko:LogRecord.LogLevel-returns-invalid-values-for-None/unspecifiedysolomchenko/opentelemetry-dotnet:LogRecord.LogLevel-returns-invalid-values-for-None/unspecifiedCopy head branch name to clipboard