feat(checks): accept ty in PC140 type checker check

Add https://github.com/astral-sh/ty-pre-commit alongside mypy and
pyrefly as an accepted type checker hook.

Assisted-by: ClaudeCode:claude-opus-4.8

Author: henryiii

src/sp_repo_review/checks/precommit.py

@@ -118,6 +118,7 @@ class PC140(PreCommit):
     repos = {
         "https://github.com/pre-commit/mirrors-mypy",
         "https://github.com/facebook/pyrefly-pre-commit",
+        "https://github.com/astral-sh/ty-pre-commit",
     }
 
 

tests/test_precommit.py

@@ -142,6 +142,14 @@ def test_pc140_pyrefly():
     assert compute_check("PC140", precommit=precommit).result
 
 
+def test_pc140_ty():
+    precommit = yaml.safe_load("""
+        repos:
+          - repo: https://github.com/astral-sh/ty-pre-commit
+    """)
+    assert compute_check("PC140", precommit=precommit).result
+
+
 def test_pc160_codespell():
     precommit = yaml.safe_load("""
         repos: