Bump @types/jest from 26.0.20 to 26.0.21 in /dashboard (#2565)

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>

dashboard/package.json

@@ -116,7 +116,7 @@
     "@formatjs/cli": "^3.2.0",
     "@types/enzyme": "^3.10.5",
     "@types/enzyme-adapter-react-16": "^1.0.1",
-    "@types/jest": "^26.0.3",
+    "@types/jest": "^26.0.21",
     "@types/node": "^14.14.35",
     "@types/react-dom": "^17.0.2",
     "@types/react-helmet": "^6.1.0",

dashboard/yarn.lock

@@ -2093,10 +2093,10 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@^26.0.3":
-  version "26.0.20"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.20.tgz#cd2f2702ecf69e86b586e1f5223a60e454056307"
-  integrity sha512-9zi2Y+5USJRxd0FsahERhBwlcvFh6D2GLQnY2FH2BzK8J9s9omvNHIbvABwIluXa0fD8XVKMLTO0aOEuUfACAA==
+"@types/jest@^26.0.21":
+  version "26.0.21"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.21.tgz#3a73c2731e7e4f0fbaea56ce7ff8c79cf812bd24"
+  integrity sha512-ab9TyM/69yg7eew9eOwKMUmvIZAKEGZYlq/dhe5/0IMUd/QLJv5ldRMdddSn+u22N13FP3s5jYyktxuBwY0kDA==
   dependencies:
     jest-diff "^26.0.0"
     pretty-format "^26.0.0"