build(deps): update itoa requirement from 0.4 to 1.0 (#28)

* build(deps): update itoa requirement from 0.4 to 1.0

Updates the requirements on [itoa](https://github.com/dtolnay/itoa) to permit the latest version.
- [Release notes](https://github.com/dtolnay/itoa/releases)
- [Commits](dtolnay/itoa@0.4.0...1.0.1)

---
updated-dependencies:
- dependency-name: itoa
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* src/encoding/text: Adjust to breaking itoa changes

* *: Bump version and add changelog entry

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Max Inden <mail@max-inden.de>

CHANGELOG.md

@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.13.1] - unreleased
+
+### Changed
+
+- Update to `itoa` `v1`. See [PR 28].
+
+[PR 28]: https://github.com/mxinden/rust-open-metrics-client/pull/28
+
 ## [0.13.0] - 2021-11-21
 
 _Note: This was initially released as `v0.12.1` but later on yanked due to it

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "open-metrics-client"
-version = "0.13.0"
+version = "0.13.1"
 authors = ["Max Inden <mail@max-inden.de>"]
 edition = "2018"
 description = "Open Metrics client library allowing users to natively instrument applications."
@@ -15,7 +15,7 @@ members = ["derive-text-encode"]
 
 [dependencies]
 dtoa = "0.4"
-itoa = "0.4"
+itoa = "1.0"
 owning_ref = "0.4"
 open-metrics-client-derive-text-encode = { version = "0.1.1", path = "derive-text-encode" }
 

src/encoding/text.rs

@@ -104,15 +104,15 @@ impl Encode for f64 {
 }
 
 impl Encode for u64 {
-    fn encode(&self, mut writer: &mut dyn Write) -> Result<(), std::io::Error> {
-        itoa::write(&mut writer, *self)?;
+    fn encode(&self, writer: &mut dyn Write) -> Result<(), std::io::Error> {
+        writer.write_all(itoa::Buffer::new().format(*self).as_bytes())?;
         Ok(())
     }
 }
 
 impl Encode for u32 {
-    fn encode(&self, mut writer: &mut dyn Write) -> Result<(), std::io::Error> {
-        itoa::write(&mut writer, *self)?;
+    fn encode(&self, writer: &mut dyn Write) -> Result<(), std::io::Error> {
+        writer.write_all(itoa::Buffer::new().format(*self).as_bytes())?;
         Ok(())
     }
 }