build(deps-dev): bump @types/jest from 25.2.3 to 26.0.0

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 25.2.3 to 26.0.0.
- [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>

package.json

@@ -37,7 +37,7 @@
     "@pika/plugin-build-web": "^0.9.0",
     "@pika/plugin-ts-standard-pkg": "^0.9.0",
     "@types/fetch-mock": "^7.3.1",
-    "@types/jest": "^25.1.0",
+    "@types/jest": "^26.0.0",
     "@types/lolex": "^5.1.0",
     "@types/node": "^14.0.4",
     "@types/node-fetch": "^2.5.0",