Reduce the range of initial sequence number #1884

Job	Run time
test (ubuntu-latest, stable)	1m 34s
test (ubuntu-latest, beta)	1m 39s
lint	51s
cargo-deny (aarch64-apple-ios)	19s
test (ubuntu-latest, 1.65.0)	2m 23s
cargo-deny (aarch64-linux-android)	18s
test (macos-latest, stable)	57s
cargo-deny (i686-pc-windows-gnu)	18s
test (macos-latest, beta)	1m 4s
cargo-deny (i686-pc-windows-msvc)	18s
test (macos-latest, 1.65.0)	1m 15s
cargo-deny (i686-unknown-linux-gnu)	17s
test (windows-latest, stable)	3m 48s
cargo-deny (wasm32-unknown-unknown)	17s
test (windows-latest, beta)	12m 20s
cargo-deny (x86_64-apple-darwin)	18s
test (windows-latest, 1.65.0)	3m 23s
cargo-deny (x86_64-apple-ios)	19s
cargo-deny (x86_64-pc-windows-gnu)	22s
cargo-deny (x86_64-pc-windows-msvc)	23s
cargo-deny (x86_64-unknown-linux-gnu)	18s
cargo-deny (x86_64-unknown-redox)	22s
	33m 3s

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