tracing: prepare to release v0.1.24 (tokio-rs#1244)

### Fixed

- **attributes**: Compiler error when using `#[instrument(err)]` on
  functions which return `impl Trait` ([tokio-rs#1236])
- Fixed broken match arms in event macros ([tokio-rs#1239])
- Documentation improvements ([tokio-rs#1232])

Thanks to @bkchr and @lfranke for contributing to this release!

[tokio-rs#1236]: tokio-rs#1236
[tokio-rs#1239]: tokio-rs#1239
[tokio-rs#1232]: tokio-rs#1232

Signed-off-by: Eliza Weisman <eliza@buoyant.io>

tracing/CHANGELOG.md

@@ -1,3 +1,18 @@
+# 0.1.24 (February 17, 2021)
+
+### Fixed
+
+- **attributes**: Compiler error when using `#[instrument(err)]` on functions
+  which return `impl Trait` ([#1236])
+- Fixed broken match arms in event macros ([#1239])
+- Documentation improvements ([#1232])
+
+Thanks to @bkchr and @lfranke for contributing to this release!
+
+[#1236]: https://github.com/tokio-rs/tracing/pull/1236
+[#1239]: https://github.com/tokio-rs/tracing/pull/1239
+[#1232]: https://github.com/tokio-rs/tracing/pull/1232
+
 # 0.1.23 (February 4, 2021)
 
 ### Fixed

tracing/README.md

@@ -245,7 +245,7 @@ my_future
 is as long as the future's.
 
 The second, and preferred, option is through the
-[`#[instrument]`](https://docs.rs/tracing/0.1.23/tracing/attr.instrument.html)
+[`#[instrument]`](https://docs.rs/tracing/0.1.24/tracing/attr.instrument.html)
 attribute:
 
 ```rust
@@ -292,7 +292,7 @@ span.in_scope(|| {
 // Dropping the span will close it, indicating that it has ended.
 ```
 
-The [`#[instrument]`](https://docs.rs/tracing/0.1.23/tracing/attr.instrument.html) attribute macro
+The [`#[instrument]`](https://docs.rs/tracing/0.1.24/tracing/attr.instrument.html) attribute macro
 can reduce some of this boilerplate:
 
 ```rust