Add support for Python 3.14

Updated CI workflows to include Python 3.14 with pre-release support. Modified README and pyproject.toml to reflect compatibility with Python 3.14. Adjusted ruff target version to Python 3.14.

.github/workflows/ci.yml

@@ -14,15 +14,16 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.12", "3.13"]
+        python-version: ["3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
       - name: Install dependencies
         run: |
@@ -56,7 +57,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.12"
 
@@ -114,7 +115,7 @@ jobs:
         run: sleep 30
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.12"