fix: bump metrics crate to 0.24.3 to fix Rust compiler error

metrics 0.24.1 has a lifetime issue (rust-lang/rust#141402) that causes
compilation failures on recent Rust versions.

Author: tobyhede

packages/cipherstash-proxy-integration/src/connection_resilience.rs

@@ -7,7 +7,7 @@
 /// - Blocked backend connections don't affect other proxy connections
 #[cfg(test)]
 mod tests {
-    use crate::common::{connect_with_tls, PROXY, PG_PORT};
+    use crate::common::{connect_with_tls, PG_PORT, PROXY};
     use std::sync::Arc;
     use std::time::Instant;
     use tokio::sync::Notify;
@@ -27,10 +27,7 @@ mod tests {
 
             // Connection A: run a slow query
             let a_handle = tokio::spawn(async move {
-                client_a
-                    .simple_query("SELECT pg_sleep(5)")
-                    .await
-                    .unwrap();
+                client_a.simple_query("SELECT pg_sleep(5)").await.unwrap();
             });
 
             // Brief pause to ensure A's query is in flight
@@ -89,10 +86,7 @@ mod tests {
             for _ in 0..5 {
                 join_set.spawn(async {
                     let client = connect_with_tls(PROXY).await;
-                    client
-                        .simple_query("SELECT pg_sleep(3)")
-                        .await
-                        .unwrap();
+                    client.simple_query("SELECT pg_sleep(3)").await.unwrap();
                 });
             }
 

packages/cipherstash-proxy/src/config/database.rs

@@ -117,10 +117,7 @@ mod tests {
     #[test]
     fn connection_timeout_defaults_to_120_seconds() {
         let config = DatabaseConfig::for_testing();
-        assert_eq!(
-            config.connection_timeout(),
-            Some(Duration::from_secs(120))
-        );
+        assert_eq!(config.connection_timeout(), Some(Duration::from_secs(120)));
     }
 
     #[test]

packages/cipherstash-proxy/src/postgresql/error_handler.rs

@@ -53,9 +53,7 @@ pub trait PostgreSqlErrorHandler {
             Error::Encrypt(EncryptError::UnknownKeysetIdentifier { .. }) => {
                 ErrorResponse::system_error(err.to_string())
             }
-            Error::ConnectionTimeout { .. } => {
-                ErrorResponse::connection_timeout(err.to_string())
-            }
+            Error::ConnectionTimeout { .. } => ErrorResponse::connection_timeout(err.to_string()),
             _ => ErrorResponse::system_error(err.to_string()),
         }
     }