Update Python versions in CI configuration

Updated Python versions in CI workflow to include 3.14 and pypy3.11.

Author: Julian

.github/workflows/ci.yml

@@ -51,12 +51,12 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: |
-            3.9
             3.10
             3.11
             3.12
             3.13
-            pypy3.10
+            3.14
+            pypy3.11
           allow-prereleases: true
 
       - name: Set up uv