grpc-js: fix more linting issues

packages/grpc-js/src/load-balancing-config.ts

@@ -21,7 +21,7 @@
  * specific object type if the input has the right structure, and throws an
  * error otherwise. */
 
-export interface RoundRobinConfig {}
+export type RoundRobinConfig = {};
 
 export interface XdsConfig {
   balancerName: string;

packages/grpc-js/src/resolver-dns.ts

@@ -332,6 +332,8 @@ export function setup(): void {
   registerDefaultResolver(DnsResolver);
 }
 
+// camelCase needed for compatibility to grpc-native-js package
+// eslint-disable-next-line @typescript-eslint/class-name-casing
 export interface dnsUrl {
   host: string;
   port?: string;