Add Void with musl to Docker CI #22

Job	Run time
android / Generate Godot API	1m 12s
code-ql / Analyze (cpp)	5m 1s
lint-py-focs / lint-py-focs	30s
docker / ubuntu-23.04	6m 29s
lint-python / lint	34s
docker / fedora-33	5m 53s
lint-python / tests (3.9)	18s
lint-string-tables / lint-string-tables (3.9)	12s
docker / debian-oldstable	6m 8s
lint-python / tests (3.10)	26s
snapcraft / snapcraft	4m 36s
docker / debian-stable	6m 20s
docker / debian-sid	6m 39s
ubuntu / ubuntu-22.04 with gcc	4m 45s
docker / debian-sid-i386	6m 33s
windows / MSVS 2022 on Windows CMake	4m 28s
ubuntu / ubuntu-22.04 with clang	4m 46s
windows-msvc / MSVS 2022 on Windows	4m 9s
docker / manjaro	6m 23s
docker / fedora-rawhide	6m 47s
docker / void-musl	30s
macos (macos-12) / macos-12	4m 14s
macos (macos-13) / macos-13	4m 20s
android / x86	3m 38s
android / x86_64	3m 41s
android / armeabi-v7a	3m 42s
android / arm64-v8a	3m 41s
	1h 45m 55s

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