Bump git Vello to fix rendering artifacts (#1546) #5571

Job	Run time
cargo test (windows-latest)	8m 11s
cargo test (wasm32)	28s
cargo clippy (windows-latest)	10m 41s
cargo miri (unsafe tree_arena)	49s
cargo test (macos-latest)	2m 22s
cargo test (ubuntu-latest)	4m 12s
cargo clippy (ubuntu-latest)	6m 8s
cargo check (aarch64-android)	46s
cargo clippy (wasm32)	1m 50s
cargo check (msrv) (macos-latest)	2m 10s
cargo clippy (macos-latest)	4m 40s
typos	5s
cargo check (msrv) (wasm32)	47s
formatting	43s
cargo doc	2m 43s
cargo check (msrv) (windows-latest)	3m 40s
cargo check (msrv) (ubuntu-latest)	2m 12s
	52m 27s

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