Mutate Observer #52026

Job	Run time
ci	34s
miri	12m 39s
build (windows-latest)	9m 5s
run-examples-macos-metal	5m 49s
check-doc	11m 19s
build (ubuntu-latest)	4m 33s
build (macos-latest)	3m 46s
toml	1m 58s
typos	9s
check-bevy-internal-imports	4s
check-missing-examples-in-docs	37s
check-compiles-no-std	0s
check-compiles	0s
check-missing-features-in-docs	0s
markdownlint	1m 6s
build-wasm	1m 42s
msrv	1m 43s
build-wasm-atomics	2m 4s
	57m 8s

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