Update Python range to >= 3.10, per 3.9 EOL

No effects were observed on Make-managed files.

References:
* https://peps.python.org/pep-0596/

Signed-off-by: Alex Nelson <[email protected]>

Author: ajnelson-nist

.github/workflows/build.yml

@@ -50,7 +50,7 @@ jobs:
         # and:
         # https://github.com/casework/CASE-Utilities-Python/blob/main/setup.cfg
         python-version:
-          - '3.9'
+          - '3.10'
           - '3.13'
     steps: