Bump rollup from 2.36.1 to 3.29.5

Bumps [rollup](https://github.com/rollup/rollup) from 2.36.1 to 3.29.5.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.36.1...v3.29.5)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
...

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

package.json

@@ -84,7 +84,7 @@
     "license-check-and-add": "^4.0.1",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.2.1",
-    "rollup": "^2.29.0",
+    "rollup": "^3.29.5",
     "rollup-plugin-terser": "^7.0.2",
     "snowpack": "^3.0.11",
     "stylelint": "^13.8.0",