Version bump to 0.4.1 [skip ci]

Author: ankane

CHANGELOG.md

@@ -1,4 +1,4 @@
-## 0.4.1 (unreleased)
+## 0.4.1 (2025-05-20)
 
 - Added `from_f32_slice` function to `HalfVector`
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pgvector"
-version = "0.4.0"
+version = "0.4.1"
 description = "pgvector support for Rust"
 repository = "https://github.com/pgvector/pgvector-rust"
 license = "MIT OR Apache-2.0"

README.md

@@ -296,7 +296,7 @@ use pgvector::HalfVector;
 let vec = HalfVector::from(vec![f16::from_f32(1.0), f16::from_f32(2.0), f16::from_f32(3.0)]);
 ```
 
-Or a `f32` slice [unreleased]
+Or a `f32` slice
 
 ```rust
 let vec = HalfVector::from_f32_slice(&[1.0, 2.0, 3.0]);