ci(typechecker): Use ty instead of pyrefly

Signed-off-by: Helio Chissini de Castro <dev@heliocastro.info>

Author: heliocastro

.github/workflows/commit_checks.yaml

@@ -25,7 +25,7 @@ jobs:
 
   typecheck:
     needs: commitlint
-    name: PyreFly Type Checker
+    name: ty Type Checker
     runs-on: ubuntu-24.04
 
     steps:
@@ -35,15 +35,13 @@ jobs:
       - uses: astral-sh/setup-uv@d0cc045d04ccac9d8b7881df0226f9e82c39688e # v6.8.0
         with:
           enable-cache: true
+          activate-environment: "true"
+          python-version: "3.13"
 
-      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: '3.13'
-
-      - name: Run Pyrefly Type Checker
+      - name: Run ty Type Checker
         run: |
           uv sync
-          uv run pyrefly check
+          uv run ty check
 
   ruff:
     needs: commitlint