chore(deps-dev): bump rollup from 1.32.1 to 2.79.2

Bumps [rollup](https://github.com/rollup/rollup) from 1.32.1 to 2.79.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.32.1...v2.79.2)

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

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

Author: dependabot[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "markdown-it-include": "^1.1.1",
     "prettier": "1.19.1",
     "proj4leaflet": "^1.0.2",
-    "rollup": "^1.32.1",
+    "rollup": "^2.79.2",
     "rollup-copy-plugin": "^0.1.0",
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-buble": "^0.19.8",