Wildcard "*" support for Access-Control-Allow-Headers/Methods

[kiding]

Support Status:

• Chrome: Supported since 63
• Safari: Supported since TP 86
• Firefox: In Development

See whatwg/fetch#251 (comment) for reference.

Proposed in #5116

[KaKi87]

Hello, what is the first stable version of Safari to implement wildcard support for Access-Control-Allow-Headers ? Thanks