Bump @types/jest from 24.0.20 to 24.0.21 (#25)

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 24.0.20 to 24.0.21.
- [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-lock.json

@@ -519,9 +519,9 @@
       }
     },
     "@types/jest": {
-      "version": "24.0.20",
-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-24.0.20.tgz",
-      "integrity": "sha512-M8ebEkOpykGdLoRrmew7UowTZ1DANeeP0HiSIChl/4DGgmnSC1ntitNtkyNSXjMTsZvXuaxJrxjImEnRWNPsPw==",
+      "version": "24.0.21",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-24.0.21.tgz",
+      "integrity": "sha512-uyqFvx78Tuy0h5iLCPWRCvi5HhWwEqhIj30doitp191oYLqlCxUyAJHdWVm5+Nr271/vPnkyt6rWeEIjGowBTg==",
       "dev": true,
       "requires": {
         "@types/jest-diff": "*"

package.json

@@ -32,7 +32,7 @@
   },
   "devDependencies": {
     "@types/download": "^6.2.4",
-    "@types/jest": "^24.0.20",
+    "@types/jest": "^24.0.21",
     "@types/node": "^12.11.7",
     "jest": "^24.8.0",
     "jest-circus": "^24.7.1",