fix: update Python version matrix in CI workflow

Signed-off-by: Frost Ming <me@frostming.com>

Author: frostming

.github/workflows/ci.yml

@@ -11,14 +11,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "pypy-3.9"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "pypy-3.9"]
         os: [ubuntu-latest, windows-latest, macos-latest]
-        exclude:
-          - python-version: 3.9
-            os: macos-latest
-        include:
-          - python-version: 3.9
-            os: macos-13
 
     steps:
       - uses: actions/checkout@v4