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/ci.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.9'
+          - '3.10'
           - '3.13'
 
     steps:

.github/workflows/publish.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Set up oldest tested Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.9"
+          python-version: "3.10"
 
       - name: Install Dependencies
         run: |

.github/workflows/supply-chain.yml

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

pyproject.toml

@@ -21,7 +21,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 cdo-local-uuid = "^0.5.0"
-python = "^3.9"
+python = "^3.10"
 pytz = "^2025"
 
 [tool.poetry.group.dev.dependencies]