Refer to "macOS", not "macOS X". #29438

Job	Run time
ci	3m 17s
check-doc	12m 23s
check-missing-examples-in-docs	59s
build (windows-latest)	6m 42s
build (ubuntu-latest)	4m 10s
build (macos-latest)	5m 45s
miri	10m 38s
run-examples-on-windows-dx12	17m 59s
check-bevy-internal-imports	4s
check-missing-features-in-docs	1m 2s
markdownlint	1m 27s
check-compiles	4m 36s
build-wasm	1m 19s
msrv	1m 32s
	1h 11m 53s

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