Bump rollup from 2.50.6 to 2.52.2 (#230)

Bumps [rollup](https://github.com/rollup/rollup) from 2.50.6 to 2.52.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.50.6...v2.52.2)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

package.json

@@ -38,7 +38,7 @@
   },
   "dependencies": {
     "load-script": "~1.0.0",
-    "rollup": "~2.50.6",
+    "rollup": "~2.52.2",
     "rollup-plugin-babel": "~3.0.7"
   }
 }