build(deps-dev): bump jest from 22.4.4 to 27.0.6

Bumps [jest](https://github.com/facebook/jest) from 22.4.4 to 27.0.6.
- [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/v22.4.4...v27.0.6)

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

CONTRIBUTING.md

@@ -8,10 +8,10 @@ The following is a set of guidelines for contributing to Feather. Feel free to p
 
 > **Note:** At the moment we are not accepting pull requests containing _**icons**_. The best way to contribute an icon is to create an issue with a screenshot and link to an SVG of your icon.
 
-Pull requests for new features, bug fixes, etc. are often appreciated. Please checkout the [project roadmap](https://github.com/colebemis/feather#roadmap) and raise an issue to discuss any of the items on the list.
+Pull requests for new features, bug fixes, etc. are often appreciated.
 
 **Working on your first Pull Request?** You can learn how from this *free* series
-[How to Contribute to an Open Source Project on GitHub](https://egghead.io/series/how-to-contribute-to-an-open-source-project-on-github)
+[How to Contribute to an Open Source Project on GitHub](https://egghead.io/courses/how-to-contribute-to-an-open-source-project-on-github)
 
 Guidelines for pull requests:
 - __Make your commit messages as descriptive as possible.__ Include as much information as you can. Explain anything that the file diffs themselves won’t make apparent.

README.md

@@ -396,6 +396,8 @@ Caught a mistake or want to contribute to the documentation? [Edit this page on
  - [sketch-feather](https://github.com/odmln/sketch-feather) - Feather icons as a Sketch library
  - [vue-feather-icons](https://github.com/egoist/vue-feather-icons) - Feather icons as Vue components
  - [php-feather](https://github.com/Pixelrobin/php-feather) - Feather icons as a PHP Library
+ - [wp-php-feather](https://github.com/reatlat/wp-php-feather) - Feather icons as a WordPress template tag
+ - [django-feather](https://pypi.org/project/django-feather/) - Feather icons as Django Template Tag
  - [svelte-feather-icons](https://github.com/dylanblokhuis/svelte-feather-icons) - Feather icons as Svelte components
 
 ## License

package.json

@@ -49,7 +49,7 @@
     "eslint-plugin-prettier": "^2.5.0",
     "html-minifier": "^3.5.8",
     "husky": "^0.14.3",
-    "jest": "^22.4.4",
+    "jest": "^27.0.6",
     "lint-staged": "^6.0.0",
     "npm-run-all": "^4.1.2",
     "prettier": "^1.8.2",