Update OTel SDK/API to 1.16.0

[Kielek]

It is not complete list of task to be done while update OTel SDK/API to 1.16.0

• Ref: Add ObservedTimestamp to LogRecordData opentelemetry-dotnet#6979 -We need to update our Logs (Bridge) API usage by utilize ObservedTimestamp

[ysolomchenko]

• Ref: [OTLP] Add support for GZip compression opentelemetry-dotnet#7055 - We need to update documentation and extend file-based configuration to support compression settings.