remove typo #845

Job	Run time
features (--no-default-features)	1m 52s
features (--no-default-features --features serialization)	1m 50s
test (ubuntu-latest, stable)	1m 19s
features (--no-default-features --features serial)	2m 12s
test (ubuntu-latest, beta)	1m 19s
test (windows-latest, stable)	2m 34s
features (--no-default-features --features tls)	2m 4s
test (windows-latest, beta)	2m 40s
bindings-macos (x86_64-apple-darwin)	4m 19s
bindings-windows (x86_64-pc-windows-msvc, true)	6m 16s
documentation	5m 57s
bindings-windows (i686-pc-windows-msvc, false)	3m 41s
bindings-linux (x86_64-unknown-linux-gnu)	2m 37s
conformance	10m 34s
bindings-linux (i686-unknown-linux-gnu)	2m 48s
guide	1m 18s
bindings-linux (x86_64-unknown-linux-musl)	2m 48s
bindings-linux (arm-unknown-linux-gnueabihf)	2m 44s
bindings-linux (arm-unknown-linux-musleabihf)	2m 53s
linting (stable)	55s
bindings-linux (aarch64-unknown-linux-gnu)	2m 42s
linting (beta)	53s
bindings-linux (aarch64-unknown-linux-musl)	2m 50s
bindings-linux (armv7-unknown-linux-gnueabihf)	2m 45s
bindings-linux (arm-unknown-linux-gnueabi)	2m 47s
packaging	2m 47s
release	7m 32s
	1h 24m 56s

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