deps: bump eslint-plugin-jest from 23.19.0 to 23.20.0 (#401)

Bumps [eslint-plugin-jest](https://github.com/jest-community/eslint-plugin-jest) from 23.19.0 to 23.20.0.
- [Release notes](https://github.com/jest-community/eslint-plugin-jest/releases)
- [Changelog](https://github.com/jest-community/eslint-plugin-jest/blob/master/CHANGELOG.md)
- [Commits](jest-community/eslint-plugin-jest@v23.19.0...v23.20.0)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -68,7 +68,7 @@
     "@typescript-eslint/parser": "^2.34.0",
     "@zeit/ncc": "^0.22.3",
     "eslint": "^6.8.0",
-    "eslint-plugin-jest": "^23.19.0",
+    "eslint-plugin-jest": "^23.20.0",
     "husky": "^4.2.5",
     "jest": "^25.5.4",
     "jest-circus": "^26.2.1",