fix deprecations from toml_edit #38395

Job	Run time
ci	3m 25s
toml	1m 58s
build (windows-latest)	4m 0s
build (ubuntu-latest)	3m 31s
check-bevy-internal-imports	8s
miri	4m 8s
build (macos-latest)	4m 18s
check-cfg	2m 2s
check-doc	4m 14s
check-missing-examples-in-docs	31s
run-examples-macos-metal	4m 12s
typos	5s
check-missing-features-in-docs	32s
markdownlint	1m 14s
check-compiles	43s
msrv	1s
build-wasm	1s
	35m 3s

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