Bump rollup from 1.25.2 to 1.26.0

Bumps [rollup](https://github.com/rollup/rollup) from 1.25.2 to 1.26.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.25.2...v1.26.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package.json

@@ -55,7 +55,7 @@
     "mutationobserver-shim": "^0.3.3",
     "postcss": "^7.0.18",
     "rimraf": "^3.0.0",
-    "rollup": "^1.21.3",
+    "rollup": "^1.26.0",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-browsersync": "^1.0.0",
     "rollup-plugin-eslint": "^7.0.0",

yarn.lock

@@ -6838,10 +6838,10 @@ rollup-plugin-visualizer@^2.6.0:
   dependencies:
     estree-walker "^0.6.1"
 
-rollup@^1.21.3:
-  version "1.25.2"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.25.2.tgz#739f508bd8f7ece52bb6c1fcda83466af82b7f6d"
-  integrity sha512-+7z6Wab/L45QCPcfpuTZKwKiB0tynj05s/+s2U3F2Bi7rOLPr9UcjUwO7/xpjlPNXA/hwnth6jBExFRGyf3tMg==
+rollup@^1.26.0:
+  version "1.26.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.26.0.tgz#cf40fd5e1edc4d7f3d4235a0a43f1c2be1cf294b"
+  integrity sha512-5HljNYn9icFvXX+Oe97qY5TWvnWhKqgGT0HGeWWqFPx7w7+Anzg7dfHMtUif7YYy6QxAgynDSwK6uxbgcrVUxw==
   dependencies:
     "@types/estree" "*"
     "@types/node" "*"