Properly quote regex arguments

Author: PierreBtz

git-secrets

@@ -391,9 +391,9 @@ case "${COMMAND}" in
   --scan-history) scan_with_fn_or_die "scan_history" "$@" ;;
   --list)
     if [ ${GLOBAL} -eq 1 ]; then
-      git config --global --get-regex secrets.*
+      git config --global --get-regex 'secrets.*'
     else
-      git config --get-regex secrets.*
+      git config --get-regex 'secrets.*'
     fi
     ;;
   --install)