chore: release v3.9.1 (#378)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Veetaha <gersoh3@gmail.com>

Author: github-actions[bot]

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name    = "bon-macros"
-version = "3.9.0"
+version = "3.9.1"
 
 description = """
 This is a proc-macro crate that is supposed to be a private implementation

bon-macros/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name    = "bon-sandbox"
-version = "3.9.0"
+version = "3.9.1"
 
 description = """
   Not a real crate! It's just a showcase of examples used by `bon`'s documentation
@@ -36,4 +36,4 @@ typed-builder  = "0.23"
 [dependencies.bon]
 features = ["experimental-overwritable", "experimental-generics-setters"]
 path     = "../bon"
-version  = "=3.9.0"
+version  = "=3.9.1"

bon-sandbox/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name    = "bon"
-version = "3.9.0"
+version = "3.9.1"
 
 description = "Next-gen compile-time-checked builder generator, named function's arguments, and more!"
 
@@ -45,7 +45,7 @@ workspace = true
 # The version of the macro crate is pinned to a specific one because the code
 # generated by the macros uses private APIs from the runtime crate that are not
 # guarded by semver.
-bon-macros  = { path = "../bon-macros", version = "=3.9.0" }
+bon-macros  = { path = "../bon-macros", version = "=3.9.1" }
 rustversion = "1"
 
 [dev-dependencies]

bon/Cargo.toml

@@ -1,4 +1,4 @@
-error: Unknown field: `attrs`. Available values: `crate`
+error: Unknown field: `attrs`
  --> tests/integration/ui/compile_fail/attr_bon.rs:5:7
   |
 5 | #[bon(attrs)]

bon/tests/integration/ui/compile_fail/attr_bon.stderr

@@ -76,11 +76,11 @@ error: `#[builder(derive(Into))` is not supported for async functions because `F
 127 |     async unsafe fn unsafe_async_function() -> Self {
     |     ^^^^^
 
-error: Unknown field: `bounds`
-   --> tests/integration/ui/compile_fail/attr_derive.rs:132:23
+error: Unexpected meta-item format `list`
+   --> tests/integration/ui/compile_fail/attr_derive.rs:132:18
     |
 132 | #[builder(derive(Into(bounds(u32: Copy))))]
-    |                       ^^^^^^
+    |                  ^^^^
 
 error[E0277]: the trait bound `NoTraitImpls: Clone` is not satisfied
  --> tests/integration/ui/compile_fail/attr_derive.rs:9:23

bon/tests/integration/ui/compile_fail/attr_derive.stderr

@@ -5,6 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.9.1](https://github.com/elastio/bon/compare/v3.9.0...v3.9.1) - 2026-03-13
+
+This is purely a minutiae update with zero changes to the Rust API. Enjoy the stability 🍸.
+
+### Fixed
+
+- Redistribute license files with the crates sources ([#376](https://github.com/elastio/bon/pull/376))
+
+### Internal
+
+- Regular maintenance ([#377](https://github.com/elastio/bon/pull/377))
+
 ## [3.9.0](https://github.com/elastio/bon/compare/v3.8.2...v3.9.0) - 2026-02-13
 
 ### Added