Bump rollup from 2.34.2 to 3.29.5

Bumps [rollup](https://github.com/rollup/rollup) from 2.34.2 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@v2.34.2...v3.29.5)

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

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

package.json

@@ -35,7 +35,7 @@
     "postcss-cli": "^8.3.0",
     "postcss-import": "^13.0.0",
     "postcss-nested": "^5.0.2",
-    "rollup": "^2.3.4",
+    "rollup": "^3.29.5",
     "rollup-plugin-livereload": "^2.0.0",
     "rollup-plugin-svelte": "^7.0.0",
     "rollup-plugin-terser": "^7.0.0",