Bump jest from 26.2.2 to 26.4.0

Bumps [jest](https://github.com/facebook/jest) from 26.2.2 to 26.4.0.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/compare/v26.2.2...v26.4.0)

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

package.json

@@ -89,7 +89,7 @@
 		"eslint-plugin-standard": "^4.0.1",
 		"eslint-plugin-vue": "^6.2.2",
 		"file-loader": "^6.0.0",
-		"jest": "^26.2.2",
+		"jest": "^26.4.0",
 		"jest-serializer-vue": "^2.0.2",
 		"minimist": "^1.2.5",
 		"node-sass": "^4.14.1",