Bump Node 18 in the makefile to a version which supports the spec reporter

Author: cressie176

Makefile

@@ -2,7 +2,7 @@ RABBITMQ_SRC_VERSION=v3.12.13
 JSON=amqp-rabbitmq-0.9.1.json
 AMQP_JSON=https://raw.githubusercontent.com/rabbitmq/rabbitmq-server/$(RABBITMQ_SRC_VERSION)/deps/rabbitmq_codegen/$(JSON)
 
-NODEJS_VERSIONS='18.1.0' '20.10.0' '22.14.0' '24.7.0'
+NODEJS_VERSIONS='18.13.0' '20.10.0' '22.14.0' '24.7.0'
 
 UGLIFY=./node_modules/.bin/uglifyjs