Backport url type-check fix from #2628 to 8.0.1

Author: dgw

sopel/builtins/url.py

@@ -437,7 +437,10 @@ def process_urls(
             except ValueError:
                 # Extra try/except here in case the DNS resolution fails, see #2348
                 try:
-                    ips = [ip_address(ip) for ip in dns.resolver.resolve(parsed_url.hostname)]
+                    ips = [
+                        ip_address(ip.to_text())
+                        for ip in dns.resolver.resolve(parsed_url.hostname)
+                    ]
                 except Exception as exc:
                     LOGGER.debug(
                         "Cannot resolve hostname %s, ignoring URL %s"