docs: fix broken link to prefer-expect-query-by

[jonaldinger]

Fix a broken link in the docs from prefer-explicit-assert.md to prefer-expect-query-by.md.

URL Before (note "docs/rules/docs/rules"):
https://github.com/Belco90/eslint-plugin-testing-library/blob/master/docs/rules/docs/rules/prefer-expect-query-by.md

URL After:
https://github.com/Belco90/eslint-plugin-testing-library/blob/master/docs/rules/prefer-expect-query-by.md

[thomaslombart]

Thanks for spotting and fixing the typo! 😄

[thomaslombart]

@all-contributors please add @jonaldinger for docs.

[allcontributors]

@thomlom

I've put up a pull request to add @jonaldinger! 🎉

[jonaldinger]

@thomlom you got it! And thanks to the maintainers for this library 😄

[Belco90]

🎉 This PR is included in version 1.3.3 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀