Bump to version 3.18.1

Author: fitzgen

CHANGELOG.md

@@ -28,7 +28,18 @@ Released YYYY-MM-DD.
 
 --------------------------------------------------------------------------------
 
-## 3.18.0
+## 3.18.1
+
+Released 2025-06-05.
+
+### Removed
+
+* Removed the `allocator-api2` version bump from 3.18.0, as it was not actually
+  semver compatible.
+
+--------------------------------------------------------------------------------
+
+## 3.18.0 (yanked)
 
 Released 2025-06-05.
 
@@ -44,8 +55,7 @@ Released 2025-06-05.
 
 * Replaced `extend_from_slice` implementation with a formally-verified version
   that is also faster and more-optimizable for LLVM.
-* Updated `allocator-api2` support to version `0.3.*`, which is semver
-  compatible with the previous `0.2.*` version.
+* Updated `allocator-api2` support to version `0.3.*`.
 
 ### Fixed
 

Cargo.toml

@@ -10,7 +10,7 @@ name = "bumpalo"
 readme = "README.md"
 repository = "https://github.com/fitzgen/bumpalo"
 rust-version = "1.71.1"
-version = "3.18.0"
+version = "3.18.1"
 
 [package.metadata.docs.rs]
 all-features = true