fix: downgrade to ts v5.9.3

package.json

@@ -37,7 +37,7 @@
   "dependencies": {
     "csv-parse": "^5.5.6",
     "tsup": "^8.5.1",
-    "typescript": "^6.0.2"
+    "typescript": "^5.9.3"
   },
   "devDependencies": {
     "@rspack/core": "^1.1.6",

tsconfig.json

@@ -12,8 +12,7 @@
     "declarationMap": true,
     "sourceMap": true,
     "outDir": "./dist",
-    "rootDir": "./src",
-    "ignoreDeprecations": "6.0"
+    "rootDir": "./src"
   },
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist", "src/csv-loader"]