Update dependency @types/jest to v26

Author: renovate-bot

package.json

@@ -31,7 +31,7 @@
         "@nestjs/core": "7.0.9",
         "@nestjs/platform-express": "7.0.9",
         "@nestjs/testing": "7.0.9",
-        "@types/jest": "25.2.1",
+        "@types/jest": "26.0.1",
         "@typescript-eslint/eslint-plugin": "2.30.0",
         "@typescript-eslint/parser": "2.30.0",
         "@types/node": "13.13.4",

yarn.lock

@@ -676,10 +676,10 @@
     "@types/istanbul-lib-coverage" "*"
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@25.2.1":
-  version "25.2.1"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-25.2.1.tgz#9544cd438607955381c1bdbdb97767a249297db5"
-  integrity sha512-msra1bCaAeEdkSyA0CZ6gW1ukMIvZ5YoJkdXw/qhQdsuuDlFTcEUrUw8CLCPt2rVRUfXlClVvK2gvPs9IokZaA==
+"@types/jest@26.0.1":
+  version "26.0.1"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.1.tgz#78416d00499c5a9a839b937000483f7647a16cb9"
+  integrity sha512-KumByIAlAh/uczr7WjdKHs5cUWhwOeRnsfjI/T/tQP1xvVBSgnRPAZ8VZjp26pQmE79d+n7X1AuTUu0IWHrfWg==
   dependencies:
     jest-diff "^25.2.1"
     pretty-format "^25.2.1"