chore(deps-dev): bump rollup from 3.9.0 to 3.9.1 (#1317)

Bumps [rollup](https://github.com/rollup/rollup) from 3.9.0 to 3.9.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v3.9.0...v3.9.1)

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

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -72,7 +72,7 @@
     "jasmine-core": "3.10.1",
     "prettier": "2.8.1",
     "rimraf": "3.0.2",
-    "rollup": "3.9.0",
+    "rollup": "3.9.1",
     "rollup-plugin-prettier": "3.0.0",
     "rollup-plugin-strip-banner": "3.0.0",
     "tmp": "0.2.1",