Bump rollup from 3.29.4 to 4.6.1

Bumps [rollup](https://github.com/rollup/rollup) from 3.29.4 to 4.6.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v3.29.4...v4.6.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -42,7 +42,7 @@
     "c8": "^8.0.0",
     "codecov": "^3.2.0",
     "oletus": "^4.0.0",
-    "rollup": "^3.2.4",
+    "rollup": "^4.6.1",
     "sanctuary-scripts": "^4.0.0"
   }
 }