Rust

Update Rust Edition to 2021 and remove deprecated `<dyn Query>::raw_r… #331

Job	Run time
README Format Check	1m 23s
Style Check (clippy)	46s
Code Coverage (stable/ubuntu-latest)	1m 32s
Style Checks (rustfmt)	15s
Integration Tests (Rust Stable with reqwest-client-native-tls)	47s
Unit and Doc Tests (Rust Stable on windows-latest)	1m 34s
Integration Tests (Rust Stable with reqwest-client-native-tls-vendored)	1m 59s
Unit and Doc Tests (Rust Stable on ubuntu-latest)	45s
Integration Tests (Rust Stable with reqwest-client-rustls)	46s
Unit and Doc Tests (Rust Beta on ubuntu-latest)	32s
Unit and Doc Tests (Rust MSRV on ubuntu-latest)	2m 6s
Unit and Doc Tests (Rust Nightly on windows-latest)	1m 24s
Unit and Doc Tests (Rust Nightly on macOS-latest)	35s
Unit and Doc Tests (Rust Stable on macOS-latest)	46s
Unit and Doc Tests (Rust Beta on macOS-latest)	34s
Unit and Doc Tests (Rust Beta on windows-latest)	1m 28s
Unit and Doc Tests (Rust Nightly on ubuntu-latest)	27s
pages	7s
	17m 46s

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