Make generate.mjs and generate.ts consistent when declaring let plugins = {};

Author: WebCoder49

esm/generate.mjs

@@ -208,7 +208,7 @@ const AUTOGENERATED_NOTICE = "// NOTICE: This code is @generated from code outsi
         // Imports
         await pluginMjs.writeFile("import { Plugin } from \"../code-input.mjs\";\n")
         // Plugin syntax is to be stored in an object; do so temporarily.
-        await pluginMjs.writeFile("const plugins = {};\n");
+        await pluginMjs.writeFile("let plugins = {};\n");
         // Code from this plugin"s file, making use of the imported Plugin, not codeInput.Plugin, and of the created plugins object, not codeInput.plugins
         let pluginClassName = null;
         for await (const line of pluginJs.readLines()) {