refactor: update TypeScript configuration to target ES2024 and improve type definitions

Author: bjohansebas

tsconfig.json

@@ -1,15 +1,14 @@
 {
   "compilerOptions": {
-    "target": "ES2022",
+    "target": "ES2024",
     "module": "nodenext",
     "moduleResolution": "nodenext",
-    "lib": ["es2022", "dom"],
+    "lib": ["es2024", "dom"],
     "allowJs": true,
     "checkJs": true,
     "strict": true,
     "types": ["node"],
     "resolveJsonModule": true,
-    "allowSyntheticDefaultImports": true,
     "esModuleInterop": true
   },
   "include": ["./bin/**/*", "./lib/**/*"]

types/lib/Server.d.ts

@@ -1535,6 +1535,7 @@ declare class Server<
   /**
    * @private
    * @param {Compiler} compiler compiler
+   * @returns {Promise<void>}
    */
   private addAdditionalEntries;
   /**