v4.5.0 Option to replace `-nographics`, tvOS build support for MacOS runners

What's Changed

• Added install_llvmpipe script to replace -nographics in Windows builds by @DoctorGester in #706
• Adds build support for tvOS in macos-latest by @lupidan in #709

New Contributors

• @DoctorGester made their first contribution in #706
• @lupidan made their first contribution in #709

Full Changelog: v4.4.0...v4.5.0