GHA: Package demo project #214

Job	Run time
🧪 Unit tests	3m 0s
cache-env	1s
🐧 Linux / Editor (x86_64, release)	14m 59s
🪟 Windows / Editor (x86_64, release)	8m 23s
🐧 Linux / Template (x86_64, release)	10m 3s
🔌 GDExtension / 🐧 Linux (x86_64, release)	3m 30s
🪟 Windows / Editor .NET (x86_64, release)	11m 28s
🍎 macOS / Editor (x86_64, release)	7m 0s
🔌 GDExtension / 🐧 Linux (x86_64, debug)	57s
🍎 macOS / Editor (arm64, release)	5m 54s
🔌 GDExtension / 🪟 Windows (x86_64, release)	2m 37s
🔌 GDExtension / 🪟 Windows (x86_64, debug)	2m 32s
🔌 GDExtension / 🍎 macOS (universal, release)	1m 34s
🔌 GDExtension / 🍎 macOS (universal, debug)	1m 22s
🔌 GDExtension / 🌐 Web (wasm32, release)	41s
🍎 macOS / Make macOS Bundles	1m 42s
	1h 15m 43s

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