Add GitHub Sponsors to Readme

Version updated for JamesIves/github-sponsors-readme-action to version v1.4.3.

• This action is used across all versions by 7 repositories.

Go to the GitHub Marketplace to find the latest changes.

Release notes

What’s Changed

Bug Fixes 🐝

• docs(README): update README example based on yesterdays security patch by @JamesIves in https://github.com/JamesIves/github-sponsors-readme-action/pull/803

Full Changelog: https://github.com/JamesIves/github-sponsors-readme-action/compare/v1...v1.4.3

• JamesIves
• GitHub Actions