chore: update dev dependencies

Author: simonhaenisch

package.json

@@ -21,9 +21,9 @@
   },
   "homepage": "https://github.com/simonhaenisch/rollup-plugin-typescript-paths#readme",
   "devDependencies": {
-    "@types/node": "12.0.3",
-    "rollup": "^1.31.1",
-    "typescript": "^3.4.5"
+    "@types/node": "14.14.41",
+    "rollup": "2.45.2",
+    "typescript": "4.2.4"
   },
   "peerDependencies": {
     "typescript": ">=3.x"