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 Nelsin <alexander.nelson@nist.gov>

Author: ajnelson-nist

.github/workflows/cicd.yml

@@ -34,7 +34,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - '3.9'
+        - '3.10'
         - '3.13'
 
     steps:

.github/workflows/prerelease.yml

@@ -29,7 +29,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.9'
+          - '3.10'
           - '3.13'
 
     steps:

.github/workflows/supply-chain.yml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.9'
+          - '3.10'
           - '3.13'
 
     steps:

setup.cfg

@@ -24,7 +24,7 @@ install_requires =
     pydot >= 4.0.0
     pyshacl >= 0.27.0
 packages = find:
-python_requires = >=3.9
+python_requires = >=3.10
 
 [options.entry_points]
 console_scripts =