Rust

[substrait] Add support for ExtensionTable #146

Job	Run time
Check cargo fmt	35s
Check License Header	2m 23s
build with wasm-pack	3m 16s
cargo check	6m 13s
cargo test (macos)	8m 47s
cargo test (macos-aarch64)	9m 30s
Verify Vendored Code	41s
Verify MSRV (Min Supported Rust Version)	9m 19s
cargo test hash collisions (amd64)	0s
clippy	0s
check configs.md and ***_functions.md is up-to-date	0s
cargo doc	0s
check Cargo.toml formatting	0s
cargo test datafusion-cli (amd64)	0s
cargo test (amd64)	0s
cargo test doc (amd64)	0s
cargo examples (amd64)	0s
Run sqllogictest with Postgres runner	0s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
	40m 44s

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