fix: rename feature to telemetry

Author: therustmonk

crates/op-rbuilder/Cargo.toml

@@ -146,7 +146,7 @@ testing = []
 
 interop = []
 
-tracing = ["reth-tracing-otlp"]
+telemetry = ["reth-tracing-otlp"]
 
 [[bin]]
 name = "op-rbuilder"

crates/op-rbuilder/src/main.rs

@@ -27,7 +27,7 @@ fn main() -> Result<()> {
     let mode = cli.builder_mode();
     let mut cli_app = cli.configure();
 
-    #[cfg(feature = "tracing")]
+    #[cfg(feature = "telemetry")]
     {
         let otlp = reth_tracing_otlp::layer("op-reth");
         cli_app.access_tracing_layers()?.add_layer(otlp);