fix(deps): bump jest-diff from 25.5.0 to 26.0.0

Bumps [jest-diff](https://github.com/facebook/jest/tree/HEAD/packages/jest-diff) from 25.5.0 to 26.0.0.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v26.0.0/packages/jest-diff)

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

package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "cli-highlight": "^2.1.1",
     "create-jest-runner": "^0.6.0",
-    "jest-diff": "^25.2.0"
+    "jest-diff": "^26.0.0"
   },
   "peerDependencies": {
     "prettier": ">= 1.8"