build(deps-dev): bump rollup from 2.38.3 to 2.40.0

Bumps [rollup](https://github.com/rollup/rollup) from 2.38.3 to 2.40.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.38.3...v2.40.0)

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

package.json

@@ -32,7 +32,7 @@
     "jsdoc-to-markdown": "^6.0.1",
     "markdown-toc": "^1.2.0",
     "prettier": "^2.2.1",
-    "rollup": "^2.38.3",
+    "rollup": "^2.40.0",
     "size-limit": "^4.9.1",
     "sloc": "^0.2.1",
     "typescript": "^4.1.3",