Update to 4.0.0 #613

Job	Run time
format	14s
Clippy	51s
cargo-test (ubuntu-22.04, default, stable)	2m 50s
cargo-build (aarch64-linux-android, ubuntu-22.04)	2m 53s
cargo-test (macos-13, default, stable)	5m 14s
cargo-build (armv7-linux-androideabi, ubuntu-22.04)	2m 46s
cargo-test (windows-2019, default, stable)	7m 3s
cargo-build (i686-linux-android, ubuntu-22.04)	2m 36s
cargo-test (ubuntu-22.04, beta)	4m 19s
cargo-build (x86_64-linux-android, ubuntu-22.04)	3m 0s
cargo-test (ubuntu-22.04, blocking)	4m 23s
cargo-build (x86_64-unknown-linux-musl, ubuntu-22.04)	2m 8s
cargo-test (ubuntu-22.04, blocking,beta)	4m 38s
cargo-build (aarch64-apple-ios, macos-13)	4m 4s
cargo-test (ubuntu-22.04, tls-rustls --no-default-features)	4m 0s
cargo-test (ubuntu-22.04, tls-vendored-openssl --no-default-features)	4m 54s
cargo-test (ubuntu-22.04, beta, default)	2m 49s
cargo-test (ubuntu-22.04, 1.75.0, default)	4m 1s
	1h 2m 43s

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