Bump toml from 0.8.8 to 0.8.9 #683

Job	Run time
Format	9s
Clippy (x86_64-unknown-linux-gnu, false, true)	58s
Audit dependencies	25s
Clippy (armv7-unknown-linux-gnueabihf, true, false, -target arm-linux-gnueabihf -mcpu=generic+v7a...	1m 56s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 8s
Smoke-test fuzzing targets	4m 45s
Clippy (x86_64-unknown-linux-musl, true, false, -target x86_64-linux-musl)	2m 42s
Build and test (beta, ubuntu-latest, x86_64-unknown-linux-gnu)	58s
Smoke-test fuzzing targets (--all-features)	1m 59s
Validate man pages	11s
Clippy (x86_64-apple-darwin, true, false, -target x86_64-macos-gnu -g)	1m 2s
Build and test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 1s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-musl)	1m 7s
Build and test (stable, macos-latest, x86_64-apple-darwin)	48s
Check unused dependencies	59s
Validate configs	29s
Build and test (stable, ubuntu-latest, --all-features, x86_64-unknown-linux-gnu)	1m 9s
Build and test (msrv, ubuntu-latest, --all-features, x86_64-unknown-linux-gnu)	54s
Build and test (stable, ubuntu-latest, --all-features, x86_64-unknown-linux-musl)	1m 8s
Build and test (stable, macos-latest, --all-features, x86_64-apple-darwin)	47s
	24m 35s

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