Update Rust crate lance-encoding to v7 #30912

Job	Run time
Rust (lint)	2m 31s
lint-toml	8s
validate-workflow-yaml	7s
Rust (docs)	2m 35s
Python (test)	2m 12s
Python (lint)	34s
Check build with minimal dependencies	1m 38s
Rust build (with tokio dispatcher)	54s
Rust build (wasm32 with default features)	51s
Rust build (all-features)	2m 4s
Rust build (default features)	2m 23s
C++ build	1m 1s
License Check and Audit Check (bans licenses sources)	50s
Java	2m 3s
Rust (lint, no default)	1m 52s
SQL logic tests	1m 34s
C API test build	41s
WASM integration smoke test	2m 5s
Rust tests (windows-x64)	30m 5s
Check generated source files are up to date	42s
C/C++ (lint)	5s
License Check and Audit Check (advisories)	51s
Rust tests (linux-arm64)	1m 29s
	59m 15s

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