feat: Replace MyPy with ty type checker (do not merge)

.github/workflows/python_lint.yml

@@ -53,26 +53,26 @@
       - name: Check code format
         run: poetry run ruff format --diff .
 
-  mypy-check:
-    name: MyPy Check
+  ty-check:
+    name: Ty Check
     runs-on: ubuntu-24.04
     steps:
       # Common steps:
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Set up Poetry
         uses: Gr1N/setup-poetry@v9
         with:
           poetry-version: "1.8.4"
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: "3.10"
           cache: "poetry"
       - name: Install dependencies
         run: poetry install --all-extras
 
       # Job-specific step(s):
 
-      - name: Run mypy
-        run: poetry run mypy --config-file mypy.ini airbyte_cdk
+      - name: Run ty
+        run: poetry run ty check airbyte_cdk