docs: Update build badge in readme

Author: relekang

readme.md

@@ -6,8 +6,7 @@ a project gradually towards a new config, (e.g. adding a new rule from the lates
 of your linter). Another case were this is beneficial is were you do not want to break a
 build when updating the linter.
 
-[![Build status][build-badge]][build-link] [![Build status][appveyor-badge]][appveyor-link] [![Join the conversation at gitter][gitter-badge]][gitter-link]
-
+[![Build status](https://github.com/relekang/lint-filter/actions/workflows/main.yml/badge.svg)](https://github.com/relekang/lint-filter/actions/workflows/main.yml)
 ## Installation
 
 ```
@@ -113,11 +112,4 @@ Firstly, all contributions is super appreciated :sparkles:
 
 If you have questions, bug report or feature requests you are encouraged to drop by our [gitter channel][gitter-link] and say hi. If you are comfortable with it bug reports in form of a pull-request with a broken test would be awesome. *Unsure about where the test belong?* Then create a new file in the test folder with your test. *Unsure about how to do create a pr?* You can check out [How to create a Pull Request on GitHub][pr-tutorial-link], a video tutorial by @kentcdodds or drop by the [gitter channel][gitter-link] and ask for help.
 
-[build-link]: https://circleci.com/gh/relekang/lint-filter/tree/master
-[build-badge]: https://circleci.com/gh/relekang/lint-filter/tree/master.svg?style=svg
-[coverage-badge]: https://ci.frigg.io/relekang/lint-filter/coverage.svg
-[appveyor-badge]: https://ci.appveyor.com/api/projects/status/0wwd6j3aehsg6ntv?svg=true
-[appveyor-link]: https://ci.appveyor.com/project/relekang/lint-filter
-[gitter-link]: https://gitter.im/relekang/lint-filter
-[gitter-badge]: https://badges.gitter.im/relekang/lint-filter.svg
 [pr-tutorial-link]: https://egghead.io/lessons/javascript-how-to-create-a-pull-request-on-github