build(deps-dev): bump rollup from 2.39.0 to 2.39.1 (typestack#610)

Author: dependabot[bot]

package-lock.json

@@ -67,7 +67,7 @@
     "prettier": "^2.2.1",
     "reflect-metadata": "0.1.13",
     "rimraf": "3.0.2",
-    "rollup": "^2.39.0",
+    "rollup": "^2.39.1",
     "rollup-plugin-terser": "^7.0.2",
     "ts-jest": "^26.5.1",
     "ts-node": "^9.1.1",