Bump @types/jest from 26.0.20 to 26.0.21 (#87)

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 26.0.20 to 26.0.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -41,7 +41,7 @@
         "@babel/preset-typescript": "^7.13.0",
         "@types/enzyme": "^3.10.8",
         "@types/enzyme-adapter-react-16": "^1.0.6",
-        "@types/jest": "^26.0.20",
+        "@types/jest": "^26.0.21",
         "@types/lodash": "^4.14.168",
         "@types/react": "^17.0.3",
         "@types/react-is": "^17.0.0",