build(deps-dev): bump rollup from 2.26.3 to 2.26.5 (#433)

Author: dependabot[bot]

package-lock.json

@@ -68,7 +68,7 @@
     "prettier": "^2.0.5",
     "reflect-metadata": "0.1.13",
     "rimraf": "3.0.2",
-    "rollup": "^2.26.3",
+    "rollup": "^2.26.5",
     "rollup-plugin-terser": "^7.0.0",
     "ts-jest": "^26.2.0",
     "ts-node": "^8.10.2",