Rename `bevy_render::Color` to `LegacyColor` #37243

Job	Run time
check-bevy-internal-imports	4s
check-doc	57s
build (windows-latest)	1m 48s
build (ubuntu-latest)	1m 50s
check-missing-examples-in-docs	33s
build (macos-latest)	2m 4s
ci	1m 59s
miri	7m 19s
run-examples-on-windows-dx12	12m 45s
toml	1m 54s
check-missing-features-in-docs	33s
markdownlint	1m 15s
check-compiles	0s
build-wasm	0s
msrv	0s
	33m 1s

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