build: update rollup to version 2.26.4

Author: renovate-bot

package.json

@@ -196,7 +196,7 @@
     "regenerator-runtime": "0.13.7",
     "resolve-url-loader": "3.1.1",
     "rimraf": "3.0.2",
-    "rollup": "2.26.3",
+    "rollup": "2.26.4",
     "rxjs": "6.6.2",
     "sass": "1.26.3",
     "sass-loader": "9.0.3",

packages/angular_devkit/build_angular/package.json

@@ -50,7 +50,7 @@
     "regenerator-runtime": "0.13.7",
     "resolve-url-loader": "3.1.1",
     "rimraf": "3.0.2",
-    "rollup": "2.26.3",
+    "rollup": "2.26.4",
     "rxjs": "6.6.2",
     "sass": "1.26.10",
     "sass-loader": "9.0.3",

yarn.lock

@@ -10647,7 +10647,14 @@ rollup-plugin-sourcemaps@^0.6.0:
     "@rollup/pluginutils" "^3.0.9"
     source-map-resolve "^0.6.0"
 
-[email protected], rollup@^2.8.0:
+[email protected]:
+  version "2.26.4"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.26.4.tgz#a8350fd6bd56fce9873a7db2bd9547d40de3992b"
+  integrity sha512-6+qsGuP0MXGd7vlYmk72utm1MrgZj5GfXibGL+cRkKQ9+ZL/BnFThDl0D5bcl7AqlzMjAQXRAwZX1HVm22M/4Q==
+  optionalDependencies:
+    fsevents "~2.1.2"
+
+rollup@^2.8.0:
   version "2.26.3"
   resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.26.3.tgz#502c755872a4590937cfa4e8f7eb99d3bc3c4025"
   integrity sha512-Mlt39/kL2rA9egcbQbaZV1SNVplGqYYhDDMcGgHPPE0tvM3R4GrB+IEdYy2QtTrdzMQx57ZcqDFf/KWWm8F+uw==