Rust

fix: `RepartitionExec` metrics #151

Job	Run time
Check cargo fmt	41s
cargo check	8m 5s
build with wasm-pack	2m 16s
cargo test (macos)	19m 48s
cargo test (macos-aarch64)	8m 47s
Verify MSRV (Min Supported Rust Version)	6m 37s
Verify Vendored Code	1m 11s
cargo test (win64)	51m 29s
cargo doc	3m 28s
Run sqllogictest with Postgres runner	3m 13s
check Cargo.toml formatting	2m 50s
clippy	5m 1s
check configs.md is up-to-date	2m 27s
circular dependency check	2m 34s
cargo test hash collisions (amd64)	8m 38s
cargo test (amd64)	9m 13s
cargo test datafusion-cli (amd64)	3m 37s
cargo test doc (amd64)	11m 14s
cargo examples (amd64)	10m 33s
cargo test pyarrow (amd64)	2m 28s
verify benchmark results (amd64)	10m 42s
	2h 54m 52s

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