document 3.14 support, add to test matrix

Author: hutch3232

.github/workflows/pytest.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest']
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
     steps:
       - uses: actions/checkout@v6
       - name: Install uv

.github/workflows/pytest_upstream_nightly.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest']
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
     steps:
       - uses: actions/checkout@v6
       - name: Install uv

README.rst

@@ -1,9 +1,19 @@
 .. -*- mode: rst -*-
 
-.. |PyPI version| image:: https://badge.fury.io/py/chainladder.svg
-   :target: https://badge.fury.io/py/chainladder
+.. |PyPI version| image:: https://badgen.net/pypi/v/chainladder
+   :target: https://pypi.python.org/pypi/chainladder
 
-.. |Build Status| image:: https://github.com/casact/chainladder-python/workflows/Unit%20Tests/badge.svg
+.. |Python versions| image:: https://badgen.net/pypi/python/chainladder
+   :target: https://pypi.python.org/pypi/chainladder
+
+.. |License| image:: https://badgen.net/pypi/license/chainladder
+   :target: https://pypi.python.org/pypi/chainladder
+
+.. |Downloads| image:: https://badgen.net/pypi/dm/chainladder
+   :target: https://pypi.python.org/pypi/chainladder
+
+.. |Build Status| image:: https://github.com/casact/chainladder-python/actions/workflows/pytest.yml/badge.svg
+   :target: https://github.com/casact/chainladder-python/actions/workflows/pytest.yml
 
 .. |Documentation Status| image:: https://readthedocs.org/projects/chainladder-python/badge/?version=latest
    :target: https://chainladder-python.readthedocs.io/en/latest/?badge=latest
@@ -14,7 +24,7 @@
 chainladder (python)
 ====================
 
-|PyPI version| |Build Status| |codecov io| |Documentation Status|
+|PyPI version| |Python versions| |License| |Downloads| |Build Status| |codecov io| |Documentation Status|
 
 chainladder: Property and Casualty Loss Reserving in Python
 ------------------------------------------------------------

pyproject.toml

@@ -26,6 +26,8 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 keywords = ["actuarial", "reserving", "insurance", "chainladder", "IBNR"]
 dependencies = [