feat: prepare 0.6.1 release

- update the version number in Cargo
- update the README file

Tested:
- No

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zip"
-version = "0.6.0"
+version = "0.6.1"
 authors = ["Mathijs van de Nes <git@mathijs.vd-nes.nl>", "Marli Frost <marli@frost.red>", "Ryan Levick <ryan.levick@gmail.com>"]
 license = "MIT"
 repository = "https://github.com/zip-rs/zip.git"

README.md

@@ -5,7 +5,7 @@ zip-rs
 [![Crates.io version](https://img.shields.io/crates/v/zip.svg)](https://crates.io/crates/zip)
 [![Discord](https://badgen.net/badge/icon/discord?icon=discord&label)](https://discord.gg/rQ7H9cSsF4)
 
-[Documentation](https://docs.rs/zip/0.6.0/zip/)
+[Documentation](https://docs.rs/zip/0.6.1/zip/)
 
 > PSA: This version of the ZIP crate will not gain any new features,
 >      and will only be updated if major security issues are found.
@@ -35,14 +35,14 @@ With all default features:
 
 ```toml
 [dependencies]
-zip = "0.6"
+zip = "0.6.1"
 ```
 
 Without the default features:
 
 ```toml
 [dependencies]
-zip = { version = "0.6", default-features = false }
+zip = { version = "0.6.1", default-features = false }
 ```
 
 The features available are: