build(deps): bump react-datepicker from 1.8.0 to 2.0.0 in /ui

Bumps [react-datepicker](https://github.com/Hacker0x01/react-datepicker) from 1.8.0 to 2.0.0.
- [Release notes](https://github.com/Hacker0x01/react-datepicker/releases)
- [Commits](https://github.com/Hacker0x01/react-datepicker/compare/v1.8.0...v2.0.0)

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

ui/package.json

@@ -29,7 +29,7 @@
     "qs": "6.5.2",
     "react": "16.6.3",
     "react-autosuggest": "9.4.2",
-    "react-datepicker": "1.8.0",
+    "react-datepicker": "2.0.0",
     "react-dom": "16.6.3",
     "react-highlighter": "0.4.3",
     "react-idle-timer": "4.1.1",

ui/yarn.lock

@@ -3330,6 +3330,11 @@ data-urls@^1.0.0, data-urls@^1.0.1:
     whatwg-mimetype "^2.2.0"
     whatwg-url "^7.0.0"
 
+date-fns@^2.0.0-alpha.23:
+  version "2.0.0-alpha.25"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.0.0-alpha.25.tgz#651a5d1f59a01af6cf0371e39b2ae29df5d521ee"
+  integrity sha512-iQzJkHF0L4wah9Ae9PkvwemwFz6qmRLuNZcghmvf2t+ptLs1qXzONLiGtjmPQzL6+JpC01JjlTopY2AEy4NFAg==
+
 date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
@@ -9123,12 +9128,13 @@ react-autowhatever@^10.1.2:
     react-themeable "^1.1.0"
     section-iterator "^2.0.0"
 
-react-datepicker@1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/react-datepicker/-/react-datepicker-1.8.0.tgz#ee46148aa10234d42e22ab969d1110f74263ba56"
-  integrity sha512-N4LdVTtqJCsZyKXBQ/AqSEcH6FyhgsY1gD07zECNu60nGt5s4ngRlhYdHoE34VNFO+ZY+pvljZRLwSC8LS9RxQ==
+react-datepicker@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/react-datepicker/-/react-datepicker-2.0.0.tgz#5818edfdd08af1b18cbc02b8a1c842cec906606f"
+  integrity sha512-3L3PrZLqbnEIBDXh4RkwlClCaCOFOPd2WYezo4vjXz5PSogrpXtG6UuAc21JtF8+3bBgcsZ/2BUH5F5b89VHsA==
   dependencies:
     classnames "^2.2.5"
+    date-fns "^2.0.0-alpha.23"
     prop-types "^15.6.0"
     react-onclickoutside "^6.7.1"
     react-popper "^1.0.2"