Update dependency rollup to v1.32.1

Author: renovate-bot

package.json

@@ -38,7 +38,7 @@
     "/type"
   ],
   "devDependencies": {
-    "rollup": "1.29.0",
+    "rollup": "1.32.1",
     "rollup-plugin-terser": "5.2.0",
     "rollup-plugin-typescript2": "0.25.3",
     "typescript": "3.7.4"