Merge pull request #3469 from rust-lang/renovate/opentelemetry

Update Rust crate tracing-opentelemetry to 0.21.0

Author: rbtcollins

Cargo.lock

@@ -189,7 +189,7 @@ tokio = { version = "1.26.0", default-features = false, features = [
     "rt-multi-thread",
 ] }
 tracing = "0.1"
-tracing-opentelemetry = { version = "0.20.0" }
+tracing-opentelemetry = { version = "0.21.0" }
 tracing-subscriber = "0.3.16"
 url = "2.4"
 walkdir = "2"