Update pandas from 2.2.0 to 2.2.1

Author: pyup-bot

extra_requirements.txt

@@ -15,6 +15,6 @@ scandir>=1.8
 # we use the latest version to see any problems with new versions
 pandas==1.3.5; python_version == '3.7' # pyup: ignore
 pandas==2.0.3; python_version == '3.8' # pyup: ignore
-pandas==2.2.0; python_version > '3.8'
+pandas==2.2.1; python_version > '3.8'
 xlrd==2.0.1
 openpyxl==3.1.2