Add Python 3.14 to test matrix

Author: romis2012

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
         os: [ubuntu-latest]
     steps:
       - name: Checkout