chore: update TypeScript config for hello-solana anchor to resolve TS issues

- Upgrade TypeScript compiler options to use ES2020 features
- Change module resolution to 'nodenext'

Author: sol-warrior

basics/hello-solana/anchor/tsconfig.json

@@ -1,10 +1,10 @@
 {
-  "compilerOptions": {
-    "types": ["mocha", "chai"],
-    "typeRoots": ["./node_modules/@types"],
-    "lib": ["es2015"],
-    "module": "commonjs",
-    "target": "es6",
-    "esModuleInterop": true
-  }
+	"compilerOptions": {
+		"types": ["mocha", "chai"],
+		"typeRoots": ["./node_modules/@types"],
+		"lib": ["es2020"],
+		"module": "nodenext",
+		"target": "es2020",
+		"esModuleInterop": true
+	}
 }