Update dependency @types/jest to v26

Author: renovate-bot

package.json

@@ -28,7 +28,7 @@
         "@nestjs/platform-express": "7.1.3",
         "@nestjs/testing": "7.1.3",
         "@types/config": "0.0.36",
-        "@types/jest": "25.2.3",
+        "@types/jest": "26.0.4",
         "codecov": "3.7.0",
         "@typescript-eslint/eslint-plugin": "3.1.0",
         "@typescript-eslint/parser": "3.1.0",

yarn.lock

@@ -602,10 +602,10 @@
     "@types/istanbul-lib-coverage" "*"
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@25.2.3":
-  version "25.2.3"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-25.2.3.tgz#33d27e4c4716caae4eced355097a47ad363fdcaf"
-  integrity sha512-JXc1nK/tXHiDhV55dvfzqtmP4S3sy3T3ouV2tkViZgxY/zeUkcpQcQPGRlgF4KmWzWW5oiWYSZwtCB+2RsE4Fw==
+"@types/jest@26.0.4":
+  version "26.0.4"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.4.tgz#d2e513e85aca16992816f192582b5e67b0b15efb"
+  integrity sha512-4fQNItvelbNA9+sFgU+fhJo8ZFF+AS4Egk3GWwCW2jFtViukXbnztccafAdLhzE/0EiCogljtQQXP8aQ9J7sFg==
   dependencies:
     jest-diff "^25.2.1"
     pretty-format "^25.2.1"