Bump jest from 23.6.0 to 26.6.3

Bumps [jest](https://github.com/facebook/jest) from 23.6.0 to 26.6.3.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v23.6.0...v26.6.3)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package.json

@@ -28,6 +28,6 @@
   "devDependencies": {
     "babel-preset-env": "^1.7.0",
     "eslint": "^5.16.0",
-    "jest": "^23.6.0"
+    "jest": "^26.6.3"
   }
 }