Bump jest from 24.9.0 to 26.2.1

Bumps [jest](https://github.com/facebook/jest) from 24.9.0 to 26.2.1.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v24.9.0...v26.2.1)

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

package.json

@@ -28,7 +28,7 @@
     "coveralls": "3.0.6",
     "doxdox": "3.0.0",
     "fs": "0.0.1-security",
-    "jest": "24.9.0",
+    "jest": "26.2.1",
     "jsdoc": "3.6.3",
     "jshint": "2.10.2",
     "onchange": "6.1.0",