Use the same single threaded runtime for all wasm operations #22872

Job	Run time
Lints	4m 7s
Check smoketests/mod.rs is complete	11m 33s
Verify global.json files are symlinks	1m 28s
Check that packages are publishable	46s
Test spacetimedb-update flow (aarch64-unknown-linux-gnu)	1m 1s
Test spacetimedb-update flow (x86_64-unknown-linux-gnu)	58s
version_upgrade_check	9m 46s
Check CLI docs	2m 29s
Check CI command docs	30s
TypeScript - Tests	4m 10s
Docs build	2m 35s
Build and test wasm bindings	5m 57s
Test spacetimedb-update flow (aarch64-apple-darwin)	2m 33s
Test spacetimedb-update flow (x86_64-pc-windows-msvc)	6m 36s
Unreal Engine Tests	-1s
Keynote Bench	5m 54s
Smoketests (Windows)	25m 5s
Smoketests (Linux)	17m 46s
godot-testsuite	5m 23s
unity-testsuite	7m 35s
Test Suite	24m 55s
csharp-testsuite	10m 28s
	2h 31m 34s

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