build(deps): update dtoa requirement from 0.4 to 1.0 (prometheus#27)

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

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

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

Signed-off-by: dependabot[bot] <[email protected]>

* src/encoding/text: Adjust to breaking changes in dtoa

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Max Inden <[email protected]>
Signed-off-by: ackintosh <[email protected]>

CHANGELOG.md

@@ -9,8 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Update to `itoa` `v1`. See [PR 28].
+- Update to `dtoa` `v1`. See [PR 27].
 
 [PR 28]: https://github.com/mxinden/rust-open-metrics-client/pull/28
+[PR 27]: https://github.com/mxinden/rust-open-metrics-client/pull/27
 
 ## [0.13.0] - 2021-11-21
 

Cargo.toml

@@ -14,7 +14,7 @@ documentation = "https://docs.rs/open-metrics-client"
 members = ["derive-text-encode"]
 
 [dependencies]
-dtoa = "0.4"
+dtoa = "1.0"
 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

@@ -97,8 +97,8 @@ pub trait Encode {
 }
 
 impl Encode for f64 {
-    fn encode(&self, mut writer: &mut dyn Write) -> Result<(), std::io::Error> {
-        dtoa::write(&mut writer, *self)?;
+    fn encode(&self, writer: &mut dyn Write) -> Result<(), std::io::Error> {
+        writer.write_all(dtoa::Buffer::new().format(*self).as_bytes())?;
         Ok(())
     }
 }