Merge pull request #17315 from robfram/fix-git-hook-pre-commit-clang-format

Change shebang of pre-commit-clang-format hook to make it portable

misc/hooks/pre-commit-clang-format

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # git pre-commit hook that runs a clang-format stylecheck.
 # Features: