PYTHON-4827 - Fix dnspython typechecking failures (#1903)

Co-authored-by: Steven Silvester <steven.silvester@ieee.org>

Author: NoahStapp

pymongo/srv_resolver.py

@@ -99,7 +99,7 @@ def get_options(self) -> Optional[str]:
             raise ConfigurationError(str(exc)) from None
         if len(results) > 1:
             raise ConfigurationError("Only one TXT record is supported")
-        return (b"&".join([b"".join(res.strings) for res in results])).decode("utf-8")
+        return (b"&".join([b"".join(res.strings) for res in results])).decode("utf-8")  # type: ignore[attr-defined]
 
     def _resolve_uri(self, encapsulate_errors: bool) -> resolver.Answer:
         try:
@@ -121,7 +121,8 @@ def _get_srv_response_and_hosts(
 
         # Construct address tuples
         nodes = [
-            (maybe_decode(res.target.to_text(omit_final_dot=True)), res.port) for res in results
+            (maybe_decode(res.target.to_text(omit_final_dot=True)), res.port)  # type: ignore[attr-defined]
+            for res in results
         ]
 
         # Validate hosts