chore(deps): update @rspack/core to v2 and adjust TypeScript config (#81)

Author: chenjiahan

package.json

@@ -39,7 +39,7 @@
   "devDependencies": {
     "@biomejs/biome": "^1.9.4",
     "@rslib/core": "^0.20.0",
-    "@rspack/core": "^1.7.9",
+    "@rspack/core": "2.0.0-beta.6",
     "@rstest/core": "^0.9.2",
     "@types/node": "^24.12.0",
     "bumpp": "^10.4.1",

pnpm-lock.yaml

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
-    "module": "NodeNext",
-    "moduleResolution": "NodeNext",
+    "module": "preserve",
+    "moduleResolution": "bundler",
     "target": "ES2021",
     "esModuleInterop": true,
     "declaration": true,