Bump rollup from 2.48.0 to 2.50.0 (#34108)

Bumps [rollup](https://github.com/rollup/rollup) from 2.48.0 to 2.50.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v2.48.0...v2.50.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -138,7 +138,7 @@
     "npm-run-all": "^4.1.5",
     "postcss": "^8.3.0",
     "postcss-cli": "^8.3.1",
-    "rollup": "^2.48.0",
+    "rollup": "^2.50.0",
     "rollup-plugin-istanbul": "^3.0.0",
     "rtlcss": "^3.2.0",
     "sass": "^1.32.13",