Bump jest from 26.3.0 to 26.4.0 (#220)

Author: dependabot-preview[bot]

package.json

@@ -49,7 +49,7 @@
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-prettier": "^3.1.4",
     "execa": "^3.4.0",
-    "jest": "^26.3.0",
+    "jest": "^26.4.0",
     "prettier": "^1.19.1",
     "release-it": "^13.6.6",
     "release-it-lerna-changelog": "^1.0.3",