Rust

Revert "Bump the MSRV due to transitive dependencies (#16728)" #114

Job	Run time
linux build test	5m 26s
build and run with wasm-pack	11m 15s
Check cargo fmt	42s
cargo test (macos-aarch64)	14m 0s
Verify MSRV (Min Supported Rust Version)	9m 52s
Verify Vendored Code	54s
cargo check datafusion features	12m 17s
cargo check datafusion-substrait features	9m 25s
cargo check datafusion-proto features	4m 26s
cargo check datafusion-common features	1m 11s
check configs.md and ***_functions.md is up-to-date	4m 19s
cargo check datafusion-functions features	2m 57s
cargo test doc (amd64)	20m 12s
verify benchmark results (amd64)	9m 43s
cargo examples (amd64)	17m 17s
Run sqllogictest with Postgres runner	5m 28s
cargo test pyarrow (amd64)	4m 13s
clippy	6m 58s
cargo test (amd64)	20m 31s
cargo doc	4m 20s
cargo test datafusion-cli (amd64)	4m 59s
Run sqllogictest in Substrait round-trip mode	5m 40s
check Cargo.toml formatting	2m 59s
	2h 59m 4s

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