Update dependency react-calendar to v6 (#107726)

* Update dependency react-calendar to v6

* add esmodules to jest config

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>

packages/grafana-ui/package.json

@@ -104,7 +104,7 @@
     "rc-picker": "4.11.3",
     "rc-slider": "11.1.8",
     "rc-tooltip": "6.4.0",
-    "react-calendar": "^5.1.0",
+    "react-calendar": "^6.0.0",
     "react-colorful": "5.6.1",
     "react-custom-scrollbars-2": "4.5.0",
     "react-data-grid": "grafana/react-data-grid#de920f0105cb2b7d774444e7443a675f3b568ad6",