Multiple box shadow support (#16502) #16

Job	Run time
check-bevy-internal-imports	7s
build (windows-latest)	8m 57s
check-doc	9m 35s
build (ubuntu-latest)	4m 29s
build (macos-latest)	4m 19s
check-missing-examples-in-docs	40s
ci	4m 45s
miri	13m 27s
run-examples-macos-metal	6m 35s
toml	2m 5s
typos	5s
check-missing-features-in-docs	30s
markdownlint	1m 5s
check-compiles-no-std	55s
check-compiles	7m 19s
build-wasm	1m 40s
msrv	1m 39s
build-wasm-atomics	1m 57s
	1h 10m 9s

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