Update dependency rollup-plugin-typescript2 to v0.34.1

Author: renovate[bot]

package-lock.json

@@ -40,7 +40,7 @@
     "rollup-plugin-prettier": "0.4.0",
     "rollup-plugin-sourcemaps": "0.4.2",
     "rollup-plugin-terser": "4.0.4",
-    "rollup-plugin-typescript2": "0.19.3",
+    "rollup-plugin-typescript2": "0.34.1",
     "ts-node": "7.0.1",
     "tslint": "5.13.1",
     "tslint-config-prettier": "1.18.0",