fix(config): Do not panic for observability config

Signed-off-by: Danil <deniallugo@gmail.com>

core/lib/protobuf_config/src/observability.rs

@@ -33,8 +33,8 @@ impl ProtoRepr for proto::Observability {
             opentelemetry: self
                 .opentelemetry
                 .as_ref()
-                .map(|cfg| cfg.read().context("opentelemetry"))
-                .transpose()?,
+                .map(|cfg| cfg.read().ok())
+                .flatten(),
             log_directives: self.log_directives.clone(),
         })
     }