v0.22.3

Changelog

• a5359db Use more secure exturl library
• 159c19b Make sure empty metadata compiles to map, not null
• f6cd619 Serialize normal maps as empty lists, not nil
• 241465c Initial support for WASI WASM
• eab22da Upgrade dependencies
• 8b17f08 Refactor: move normal package out of tosca
• 162b14d Use go:embed for profiles
• 848f5c7 Upgrade to Go 1.21
• d30b33b Check for invalid name characters per grammar
• 8b89513 Refactor: new tosca/parsing package
• caf71be Improve some APIs
• acaf940 Improve PGO builds
• c618cf1 Upgrade dependencies
• 97976eb Implement PGO builds