[Geneva Exporter] trace flags should be u32, not i32 as implemented. #355
Description
trace flags need to be u32. Will fix this in subsequent PR - https://github.com/open-telemetry/opentelemetry-rust/blob/8d46c40b60ad95135e63316f87edc7ecc9ae45b1/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.logs.v1.rs#L141
Originally posted by @lalitb in #353 (comment)
This needs to be fixed in otlp_encoder.rs.