Prepare release for v0.19 (#85)

* write release notes for v0.19

* bump crate version to v0.19

* update release notes for v0.19

Author: Robbepop

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "string-interner"
-version = "0.18.0"
+version = "0.19.0"
 authors = ["Robbepop"]
 license = "MIT/Apache-2.0"
 readme = "README.md"

Cargo.toml

@@ -1,5 +1,29 @@
 # Release Notes
 
+## 0.19.0 - 2025/02/11
+
+## Fixed
+
+- Fixed the `IntoIterator` impl that triggered a Rust compiler miscompilation in some versions. [#80]
+    - See the associated [`rustc` issue](https://github.com/rust-lang/rust/issues/136856).
+
+## Improvements
+
+- Updated and improved documentation about backend properties. [#83] [#84]
+- Update outdated dependencies. [#82]
+- Added `serde::{Serialize,Deserialize}` impls for all crate defined symbol types. [#86]
+
+## Internal
+
+- Improve and modernize GitHub Actions CI. [#81]
+
+[#80]: https://github.com/Robbepop/string-interner/pull/80
+[#81]: https://github.com/Robbepop/string-interner/pull/81
+[#82]: https://github.com/Robbepop/string-interner/pull/82
+[#83]: https://github.com/Robbepop/string-interner/pull/83
+[#84]: https://github.com/Robbepop/string-interner/pull/84
+[#86]: https://github.com/Robbepop/string-interner/pull/86
+
 ## 0.18.0 - 2024/11/12
 
 ## Fixed