fix: suppress output

Author: shenxianpeng

cpp_linter_hooks/util.py

@@ -143,10 +143,12 @@ def parse_version(v: str):
 
 
 def _install_tool(tool: str, version: str) -> Optional[Path]:
-    """Install a tool using pip."""
+    """Install a tool using pip, suppressing output."""
     try:
         subprocess.check_call(
-            [sys.executable, "-m", "pip", "install", f"{tool}=={version}"]
+            [sys.executable, "-m", "pip", "install", f"{tool}=={version}"],
+            stdout=subprocess.DEVNULL,
+            stderr=subprocess.DEVNULL,
         )
         return shutil.which(tool)
     except subprocess.CalledProcessError: