chore: fix clippy lints in metrics-exporter-dogstatsd

Author: tobz

metrics-exporter-dogstatsd/src/builder.rs

@@ -114,7 +114,7 @@ impl DogStatsDBuilder {
         if let RemoteAddr::Udp(_) = &self.remote_addr {
             if max_payload_len > UDP_DATAGRAM_MAX_PAYLOAD_LEN {
                 return Err(BuildError::InvalidConfiguration {
-                    reason: format!("maximum payload length ({} bytes) exceeds UDP datagram maximum length ({} bytes)", max_payload_len, UDP_DATAGRAM_MAX_PAYLOAD_LEN),
+                    reason: format!("maximum payload length ({max_payload_len} bytes) exceeds UDP datagram maximum length ({UDP_DATAGRAM_MAX_PAYLOAD_LEN} bytes)"),
                 });
             }
         }

metrics-exporter-dogstatsd/src/forwarder/mod.rs

@@ -81,9 +81,9 @@ impl fmt::Display for RemoteAddr {
 
                     for (idx, addr) in addrs.iter().enumerate() {
                         if idx == 0 {
-                            write!(f, "{}", addr)?;
+                            write!(f, "{addr}")?;
                         } else {
-                            write!(f, ",{}", addr)?;
+                            write!(f, ",{addr}")?;
                         }
                     }
                     write!(f, "]")