fix(clippy): apply auto-fixable linting suggestions

protobufs/client.proto

@@ -1,25 +1,25 @@
-syntax = "proto3";
-
-package arbiter.client;
-
-import "client/auth.proto";
-import "client/evm.proto";
-import "client/vault.proto";
-
-message ClientRequest {
-  int32 request_id = 4;
-  oneof payload {
-    auth.Request auth = 1;
-    vault.Request vault = 2;
-    evm.Request evm = 3;
-  }
-}
-
-message ClientResponse {
-  optional int32 request_id = 7;
-  oneof payload {
-    auth.Response auth = 1;
-    vault.Response vault = 2;
-    evm.Response evm = 3;
-  }
-}
+syntax = "proto3";
+
+package arbiter.client;
+
+import "client/auth.proto";
+import "client/evm.proto";
+import "client/vault.proto";
+
+message ClientRequest {
+  int32 request_id = 4;
+  oneof payload {
+    auth.Request auth = 1;
+    vault.Request vault = 2;
+    evm.Request evm = 3;
+  }
+}
+
+message ClientResponse {
+  optional int32 request_id = 7;
+  oneof payload {
+    auth.Response auth = 1;
+    vault.Response vault = 2;
+    evm.Response evm = 3;
+  }
+}