gdextension_build: Added testing of other versions of godot. #658

Job	Run time
🍏 Ios (universal, template_debug)	1m 0s
🍏 Ios (universal, template_release)	1m 0s
🐧 Linux (x86_64, editor)	37s
🤖 Android (arm32)	53s
🐧 Linux (x86_64, template_release)	26s
🤖 Android (arm64)	29s
2️⃣ Double: ubuntu-20.04, Platform-linux	38s
2️⃣ Double: macos-latest, Platform-macos	58s
🤖 Android (x86_32)	32s
🍏 MacOS (universal, editor)	50s
2️⃣ Double: windows-latest, Platform-windows	3m 38s
🍏 MacOS (universal, template_release)	46s
🤖 Android (x86_64)	54s
🕸 Web (wasm32, template_debug)	46s
🕸 Web (wasm32, template_release)	47s
🏁 Windows (x86_64, editor)	2m 25s
🏁 Windows (x86_64, template_release)	3m 10s
📦 Collect GDExtension binaries	13s
🧪 Testing API: ubuntu-20.04, Godot-stable_linux.x86_64.zip	43s
🧪 Testing API: macos-latest, Godot-stable_macos.universal.zip	1m 20s
🧪 Testing API: windows-latest, Godot-stable_win64.exe.zip	1m 35s
	23m 40s

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