Replace the mypy check with zuban check

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
       - name: Run tests
         run: |
           python -m flake8 jedi test setup.py
-          python -m mypy jedi sith.py setup.py
+          zuban check
 
   coverage:
     runs-on: ubuntu-24.04

setup.py

@@ -52,8 +52,7 @@ setup(name='jedi',
           'qa': [
               # latest version on 2025-06-16
               'flake8==7.2.0',
-              # latest version supporting Python 3.6
-              'mypy==1.16',
+              'zuban==0.6.2',
               # Arbitrary pins, latest at the time of pinning
               'types-setuptools==80.9.0.20250529',
           ],