Update react-virtualized in / from 9.18.5 to 9.19.0

[dependencies]

Dependencies.io has updated react-virtualized (a npm dependency in /) from "9.18.5" to "9.19.0".

9.19.0

• Replaced componentWillMount, componentWillReceiveProps, and componentWillUpdate with async-safe lifecycles in advance of React 16.x deprecation warnings. Added react-lifecycles-compat as a dependency, to ensure backwards compatibility.
• Public flow interface for CellMeasurer. (diogofcunha) - #1058
• Improved build by setting sideEffects to false. (0xR) - #1064
• 🐛 Fix flow type checks. (RyanLiu0235) - #1066
• Rollup for UMD build. (TrySound) - #994
• Row direction support for Masonry (bardiarastin) - #1071
• Add lint-staged and precommit hooks (TrySound) - #1082
• Add scrollToRow and scrollToColumn support for ssr. (microcood) - #1072
• Add getTotalRowsHeight and getTotalColumnsWidth to Grid. (nihgwu) - #1022
• Allow top-right and bottom-left scrollbars in MultiGrid be hidden. (RaviDasari) - #1040
• Documentation changes
  • Added forceUpdateGrid documentation for MultiGrid. (kartikluke) - #1079
  • 🐛 Fixed typo in Grid docs. (r-kot) - #1092
  • 🐛 Fixed typo in Collection docs. (skipjack) - #1050
  • Added dynamically measured images example for Masonry. (kirill-konshin) - #1081