update minimum Python version and dev tool package versions

Author: RobertBlackhart

.gitignore

@@ -116,6 +116,8 @@ dmypy.json
 
 # End of https://www.gitignore.io/api/python,visualstudiocode
 
+.DS_Store
+
 # api_reference is an auto-generated part of the docs that is based on the source
 # code docstrings, so don't have git track these files
 docs/api_reference

docs/before_getting_started/index.rst

@@ -8,7 +8,7 @@ Software requirements
 
 ::
 
-    1. Python 3.5 or later
+    1. Python 3.10 or later
 
 
 Installing and importing the library