Fix shellcheck issue

test/bin/ghe-config

@@ -9,7 +9,7 @@ if [ "$1" = "--true" ]; then
   [[ $($0 "$@") = true ]] && exit 0 || exit 1
 fi
 
-if [[ "$1" =~ "secrets." ]]; then
+if [[ "$1" =~ secrets\..+ ]]; then
   CONFIG="$GHE_REMOTE_DATA_USER_DIR/common/secrets.conf"
 else
   CONFIG="$GHE_REMOTE_DATA_USER_DIR/common/github.conf"