Bump rollup from 2.59.0 to 2.60.0

Bumps [rollup](https://github.com/rollup/rollup) from 2.59.0 to 2.60.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.59.0...v2.60.0)

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

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

package.json

@@ -54,7 +54,7 @@
     "i18next": "^21.4.2",
     "isomorphic-fetch": "^3.0.0",
     "mocha": "^9.1.3",
-    "rollup": "^2.59.0",
+    "rollup": "^2.60.0",
     "serve-static": "^1.14.1"
   }
 }