Drop support for 3.9 and add support for 3.13

.github/workflows/build_workflow.yml

@@ -59,7 +59,7 @@ jobs:
         shell: bash -l {0}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
       fail-fast: false
     steps:
       - id: skip_check

.github/workflows/docs_workflow.yml

@@ -8,7 +8,7 @@ on:
     types: [published]
 
 env:
-  PYTHON_VERSION: "3.10"
+  PYTHON_VERSION: "3.13"
 
 jobs:
   publish-docs:

deploy/conda-dev-spec.template

@@ -1,5 +1,5 @@
 # Base
-python>=3.9,<3.13
+python>=3.10,<=3.13
 cartopy
 cartopy_offlinedata
 cmocean

deploy/default.cfg

@@ -14,7 +14,7 @@ recreate = False
 suffix =
 
 # the python version
-python = 3.12
+python = 3.13
 
 # the MPI version (nompi, mpich or openmpi)
 mpi = nompi

pyproject.toml

@@ -15,13 +15,13 @@ authors = [
 description = "Testing and analysis for Omega, MPAS-Ocean, MALI and MPAS-Seaice"
 license = {file = "LICENSE"}
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
     # these are only for searching/browsing projects on PyPI
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 
     "License :: OSI Approved :: BSD License",
     "Operating System :: OS Independent",