Apply suggestions from code review

Co-authored-by: Pradyun Gedam <pradyunsg@gmail.com>

Author: henryiii

src/pyproject_hooks/_impl.py

@@ -95,7 +95,7 @@ def quiet_subprocess_runner(
 ) -> None:
     """Call the subprocess while suppressing output.
 
-    This uses :func:`subprocess.run` with `PIPE` under the hood.
+    This uses :func:`subprocess.run` with `stdout=PIPE, stderr=STDOUT` under the hood.
     """
     env = os.environ.copy()
     if extra_environ:
@@ -108,7 +108,6 @@ def quiet_subprocess_runner(
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
         check=True,
-        text=True,
     )