chore(deps-dev): bump @types/jest from 26.0.20 to 26.0.21 (#35)

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] <support@github.com>

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

package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "@commitlint/cli": "^12.0.1",
     "@commitlint/config-conventional": "^12.0.1",
-    "@types/jest": "^26.0.20",
+    "@types/jest": "^26.0.21",
     "commitizen": "^4.2.3",
     "cz-conventional-changelog": "^3.3.0",
     "husky": "^4.3.8",