Bump react-color from 2.18.1 to 2.19.3

Bumps [react-color](https://github.com/casesandberg/react-color) from 2.18.1 to 2.19.3.
- [Release notes](https://github.com/casesandberg/react-color/releases)
- [Commits](https://github.com/casesandberg/react-color/commits)

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

package.json

@@ -10,7 +10,7 @@
     "@testing-library/user-event": "^7.2.1",
     "firebase": "^7.17.1",
     "react": "^16.14.0",
-    "react-color": "^2.18.1",
+    "react-color": "^2.19.3",
     "react-dom": "^16.13.1",
     "react-redux": "^7.2.2",
     "react-redux-firebase": "^3.7.0",