Update rollup-plugin-commonjs requirement from ^9.3.4 to ^10.0.0

Updates the requirements on [rollup-plugin-commonjs](https://github.com/rollup/rollup-plugin-commonjs) to permit the latest version.
- [Release notes](https://github.com/rollup/rollup-plugin-commonjs/releases)
- [Changelog](https://github.com/rollup/rollup-plugin-commonjs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup-plugin-commonjs/compare/v9.3.4...v10.0.0)

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

package.json

@@ -55,7 +55,7 @@
     "node-sass": "^4.12.0",
     "rollup": "^1.11.3",
     "rollup-plugin-babel": "^4.3.2",
-    "rollup-plugin-commonjs": "^9.3.4",
+    "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-eslint": "^5.1.0",
     "rollup-plugin-json": "^4.0.0",
     "rollup-plugin-node-resolve": "^4.2.3",