Add Python 3.13 and 3.14 to test matrix (#1030)

* GitHub Actions: Add Python 3.x and 3.14 to test matrix

* Update .github/workflows/test-suite.yml

Co-authored-by: Kim Christie <[email protected]>

---------

Co-authored-by: Kim Christie <[email protected]>

Author: cclauss

.github/workflows/test-suite.yml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: "actions/checkout@v4"