Remove master-branch references

Author: sebastiaanspeck

.github/workflows/mirror.yml

@@ -230,12 +230,12 @@ function tldr() {
 ## Contributing
 
 Contribution are most welcome!
-Have a look [over here](https://github.com/tldr-pages/tldr-node-client/blob/master/.github/CONTRIBUTING.md)
+Have a look [over here](https://github.com/tldr-pages/tldr-node-client/blob/main/.github/CONTRIBUTING.md)
 for a few rough guidelines.
 
 [npm-url]: https://www.npmjs.com/package/tldr
 [npm-image]: https://img.shields.io/npm/v/tldr.svg
-[gh-actions-url]: https://github.com/tldr-pages/tldr-node-client/actions?query=workflow%3ATest+branch%3Amaster
+[gh-actions-url]: https://github.com/tldr-pages/tldr-node-client/actions/workflows/test.yml?query=workflow%3ATest+branch%3Amain
 [gh-actions-image]: https://img.shields.io/github/actions/workflow/status/tldr-pages/tldr-node-client/test.yml?branch=main
 [matrix-url]: https://matrix.to/#/#tldr-pages:matrix.org
 [matrix-image]: https://img.shields.io/matrix/tldr-pages:matrix.org?label=chat+on+matrix