build: update rollup to version 2.18.0

Author: renovate-bot

packages/angular_devkit/build_angular/package.json

@@ -50,7 +50,7 @@
     "regenerator-runtime": "0.13.5",
     "resolve-url-loader": "3.1.1",
     "rimraf": "3.0.2",
-    "rollup": "2.17.1",
+    "rollup": "2.18.0",
     "rxjs": "6.5.5",
     "sass": "1.26.8",
     "sass-loader": "8.0.2",

yarn.lock

@@ -11481,10 +11481,10 @@ rollup-plugin-sourcemaps@^0.6.0:
     "@rollup/pluginutils" "^3.0.9"
     source-map-resolve "^0.6.0"
 
-rollup@2.17.1:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.17.1.tgz#d01a27c1b76e42efe2cd786609589f6332e81aa6"
-  integrity sha512-lVrtCXJ+08Eapa0SfApLmRNWNWm2FsYFnLPIJZJvZz2uI2Gv+dfPyu1zgF7KKF/HYFJDvjxbdCbI8lUVMnG7Sg==
+rollup@2.18.0:
+  version "2.18.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.18.0.tgz#f03801e5dd01415e5675dcf61c824ea493ca0392"
+  integrity sha512-LhuQQp3WpnHo3HlKCRrdMXpB6jdLsGOoXXSfMjbv74s5VdV3WZhkYJT0Z6w/EH3UgPH+g/S9T4GJrKW/5iD8TA==
   optionalDependencies:
     fsevents "~2.1.2"