fix(dns): Restore Python 3.10+ warning ignores in pytest.ini

Author: chalmerlowe

packages/google-cloud-dns/pytest.ini

@@ -9,4 +9,7 @@ filterwarnings =
     # Remove once https://github.com/googleapis/python-api-common-protos/pull/187/files is merged
     ignore:.*pkg_resources.declare_namespace:DeprecationWarning
     ignore:.*pkg_resources is deprecated as an API:DeprecationWarning
+    # Remove after support for Python 3.8, 3.9 and/or 3.10+ is dropped
+    ignore:\s*You are using a (non-supported )?Python version \(?3\.(8|9|1[0-9]+):DeprecationWarning
+    ignore:\s*You are using a (non-supported )?Python version \(?3\.(8|9|1[0-9]+):FutureWarning