Update dependency rollup-plugin-terser to v5

Author: renovate-bot

package-lock.json

@@ -43,7 +43,7 @@
     "rollup-plugin-commonjs": "10.0.2",
     "rollup-plugin-json": "4.0.0",
     "rollup-plugin-node-resolve": "5.2.0",
-    "rollup-plugin-terser": "4.0.4",
+    "rollup-plugin-terser": "5.1.1",
     "rollup-plugin-typescript": "1.0.1",
     "should": "13.2.3",
     "ts-node": "8.3.0",