chore(ZMS): validate only the commit subject line to prevent bypasses

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: Fabinatix97

.husky/commit-msg

@@ -5,7 +5,7 @@ GREEN='\033[0;32m'
 NC='\033[0m' # No Color
 
 commit_msg_file="$1"
-commit_msg=$(cat "$commit_msg_file")
+commit_msg=$(head -n 1 "$commit_msg_file")
 
 valid_types="feat|fix|clean|chore|docs"
 valid_projects="ZMS|ZMSKVR|MPDZBS|MUXDBS"