[skip ci] Update cargo-release syntax in the docs

[asomers]

No description provided.

[rtzoeller]

bors r+

[bors]

Build succeeded:

• Android aarch64
• Android arm
• Android armv7
• Android i686
• Android x86_64
• DragonFly BSD x86_64
• FreeBSD amd64 & i686
• Fuchsia x86_64
• Illumos
• iOS aarch64
• iOS x86_64
• Linux aarch64
• Linux arm gnueabi
• Linux arm-musleabi
• Linux armv7 gnueabihf
• Linux i686
• Linux i686 musl
• Linux MIPS
• Linux MIPS64
• Linux MIPS64 el
• Linux mipsel
• Linux powerpc
• Linux powerpc64
• Linux powerpc64le
• Linux s390x
• Linux x32
• Linux x86_64
• Linux x86_64 musl
• Minver
• NetBSD x86_64
• OpenBSD x86_64
• OSX x86_64
• Redox x86_64
• Rust Stable

[asomers]

@rtzoeller I think we're ready to release 0.23.1. Would you care to do the honors?

[rtzoeller]

@asomers followed up via email, but I wanted to double check some of the output from the dry-run.

I'm seeing 0.23.0 interleaved in the build log, which is causing me slight concern. Is this expected?

$ cargo release 0.23.1 
[2021-12-17T02:45:58Z WARN  cargo_release::config] Negative config values are deprecated (`no_`, `disable_`)
[2021-12-17T02:45:58Z WARN  cargo_release::config] Negative config values are deprecated (`no_`, `disable_`)
[2021-12-17T02:46:01Z INFO  cargo_release] Update nix to version 0.23.1
[2021-12-17T02:46:01Z INFO  cargo_release] Running cargo publish on nix
    Updating crates.io index
   Packaging nix v0.23.0 (/home/rtzoeller/repos/nix)
   Verifying nix v0.23.0 (/home/rtzoeller/repos/nix)
   Compiling autocfg v1.0.1
   Compiling libc v0.2.112
   Compiling cfg-if v1.0.0
   Compiling bitflags v1.3.2
   Compiling memoffset v0.6.5
   Compiling nix v0.23.0 (/home/rtzoeller/repos/nix/target/package/nix-0.23.0)
    Finished dev [unoptimized + debuginfo] target(s) in 9.92s
   Uploading nix v0.23.0 (/home/rtzoeller/repos/nix)
warning: aborting upload due to dry run
[2021-12-17T02:46:11Z INFO  cargo_release] Pushing v0.23.1 to origin
[2021-12-17T02:46:11Z INFO  cargo_release] Pushing HEAD to origin
[2021-12-17T02:46:11Z WARN  cargo_release] Ran a `dry-run`, re-run with `--execute` if all looked good.