chore(deps-dev): bump rollup from 2.48.0 to 2.50.2 (#820)

Bumps [rollup](https://github.com/rollup/rollup) from 2.48.0 to 2.50.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.48.0...v2.50.2)

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

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

package.json

@@ -70,7 +70,7 @@
     "jasmine-core": "3.7.1",
     "prettier": "2.3.0",
     "rimraf": "3.0.2",
-    "rollup": "2.48.0",
+    "rollup": "2.50.2",
     "rollup-plugin-prettier": "2.1.0",
     "rollup-plugin-strip-banner": "2.0.0",
     "tmp": "0.2.1",