fix: pattern matching instead of file existence

The previous method of detecting automated commits was error-prone,
specifically when using VSCode to commit changes. This new method uses a
simple Regex pattern match to see if the commit message matches any
known auto-generated commits.

ref: N25B-241

.githooks/check-branch-name.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This script checks if the current branch name follows the specified format.
 # It's designed to be used as a 'pre-commit' git hook.