Bump @types/jest from 25.2.1 to 26.0.3

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 25.2.1 to 26.0.3.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

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

package.json

@@ -38,7 +38,7 @@
     },
     "dependencies": {},
     "devDependencies": {
-        "@types/jest": "^25.1.4",
+        "@types/jest": "^26.0.3",
         "@types/node": "^12.7.2",
         "coveralls": "^3.0.6",
         "jest": "^25.1.0",