update run

run.sh

@@ -3,4 +3,4 @@
 # Add custom JVM arguments to the user_jvm_args.txt
 # Add custom program arguments {such as nogui} to this file in the next line before the "$@" or
 #  pass them to this script directly
-java @user_jvm_args.txt @libraries/net/neoforged/neoforge/21.1.234/unix_args.txt "$@"
+java @user_jvm_args.txt @libraries/net/neoforged/neoforge/21.1.248/unix_args.txt "$@"