test: add missing test coverage for setLocalAddress()

Add missing coverage for setLocalAddress() method of dns.Resolver class.
The case where a valid IPv4 argument was supplied along with an invalid
IPv6 argument was not being checked.

Refs: https://coverage.nodejs.org/coverage-85b42af4398073f8/lib/internal/dns/utils.js.html#L124

PR-URL: #36039
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>

Author: Trott

Diff for: test/parallel/test-dns-setlocaladdress.js

@@ -27,7 +27,10 @@ const promiseResolver = new dns.promises.Resolver();
   }, Error);
   assert.throws(() => {
     resolver.setLocalAddress(123);
-  }, Error);
+  }, { code: 'ERR_INVALID_ARG_TYPE' });
+  assert.throws(() => {
+    resolver.setLocalAddress('127.0.0.1', 42);
+  }, { code: 'ERR_INVALID_ARG_TYPE' });
   assert.throws(() => {
     resolver.setLocalAddress();
   }, Error);