refactor(html): update browsehappy to https instead of http

[ellerbrock]

Browserhappy HTTPS

Changes the Link to browserhappy.com to https instead of http.
Thats it :)

Cheers Maik

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[roblarsen]

Thanks!