chore(deps-dev): bump @types/jest from 26.0.19 to 26.0.20

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 26.0.19 to 26.0.20.
- [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

@@ -1359,9 +1359,9 @@
       }
     },
     "@types/jest": {
-      "version": "26.0.19",
-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-26.0.19.tgz",
-      "integrity": "sha512-jqHoirTG61fee6v6rwbnEuKhpSKih0tuhqeFbCmMmErhtu3BYlOZaXWjffgOstMM4S/3iQD31lI5bGLTrs97yQ==",
+      "version": "26.0.20",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-26.0.20.tgz",
+      "integrity": "sha512-9zi2Y+5USJRxd0FsahERhBwlcvFh6D2GLQnY2FH2BzK8J9s9omvNHIbvABwIluXa0fD8XVKMLTO0aOEuUfACAA==",
       "dev": true,
       "requires": {
         "jest-diff": "^26.0.0",

package.json

@@ -37,7 +37,7 @@
   "license": "ISC",
   "devDependencies": {
     "@types/isomorphic-fetch": "0.0.35",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.20",
     "cp": "^0.2.0",
     "dotenv": "^8.2.0",
     "jest": "^25.5.4",