Run pandas tests on Python 3.10 as well

Author: domdfcoding

tests/requirements.txt

@@ -7,7 +7,7 @@ faker>=4.1.2
 flake8>=3.8.4
 funcy>=1.16
 importlib-metadata>=3.6.0
-pandas>=1.0.0; implementation_name == "cpython" and python_version < "3.10"
+pandas>=1.0.0; implementation_name == "cpython" and python_version < "3.11"
 pytest>=6.0.0
 pytest-cov>=2.8.1
 pytest-randomly>=3.7.0