core: prepare to release 0.1.19 (tokio-rs#1513)

# 0.1.19 (August 17, 2021)
### Added

- `Level::as_str` ([tokio-rs#1413])
- `Hash` implementation for `Level` and `LevelFilter` ([tokio-rs#1456])
- `Value` implementation for `&mut T where T: Value` ([tokio-rs#1385])
- Multiple documentation fixes and improvements ([tokio-rs#1435], [tokio-rs#1446])

Thanks to @Folyd, @teozkr, and @dvdplm for contributing to this release!

[tokio-rs#1413]: tokio-rs#1413
[tokio-rs#1456]: tokio-rs#1456
[tokio-rs#1385]: tokio-rs#1385
[tokio-rs#1435]: tokio-rs#1435
[tokio-rs#1446]: tokio-rs#1446

Signed-off-by: Eliza Weisman <[email protected]>

tracing-core/CHANGELOG.md

@@ -1,4 +1,20 @@
-# 0.1.18 (April 30, 2010)
+# 0.1.19 (August 17, 2021)
+### Added
+
+- `Level::as_str` ([#1413])
+- `Hash` implementation for `Level` and `LevelFilter` ([#1456])
+- `Value` implementation for `&mut T where T: Value` ([#1385])
+- Multiple documentation fixes and improvements ([#1435], [#1446])
+
+Thanks to @Folyd, @teozkr, and @dvdplm for contributing to this release!
+
+[#1413]: https://github.com/tokio-rs/tracing/pull/1413
+[#1456]: https://github.com/tokio-rs/tracing/pull/1456
+[#1385]: https://github.com/tokio-rs/tracing/pull/1385
+[#1435]: https://github.com/tokio-rs/tracing/pull/1435
+[#1446]: https://github.com/tokio-rs/tracing/pull/1446
+
+# 0.1.19 (April 30, 2021)
 
 ### Added
 

tracing-core/README.md

@@ -16,9 +16,9 @@ Core primitives for application-level tracing.
 [Documentation][docs-url] | [Chat][discord-url]
 
 [crates-badge]: https://img.shields.io/crates/v/tracing-core.svg
-[crates-url]: https://crates.io/crates/tracing-core/0.1.18
+[crates-url]: https://crates.io/crates/tracing-core/0.1.19
 [docs-badge]: https://docs.rs/tracing-core/badge.svg
-[docs-url]: https://docs.rs/tracing-core/0.1.18
+[docs-url]: https://docs.rs/tracing-core/0.1.19
 [docs-master-badge]: https://img.shields.io/badge/docs-master-blue
 [docs-master-url]: https://tracing-rs.netlify.com/tracing_core
 [mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
@@ -79,7 +79,7 @@ The following crate feature flags are available:
 
   ```toml
   [dependencies]
-  tracing-core = { version = "0.1.18", default-features = false }
+  tracing-core = { version = "0.1.19", default-features = false }
   ```
 
   **Note**:`tracing-core`'s `no_std` support requires `liballoc`.