chore(main): release 0.4.0 (#33)

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

Author: github-actions[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.3.1"
+  ".": "0.4.0"
 }

CHANGELOG.md

@@ -1,5 +1,17 @@
 # CHANGELOG
 
+## [0.4.0](https://github.com/mhanberg/schematic/compare/v0.3.1...v0.4.0) (2024-10-11)
+
+
+### ⚠ BREAKING CHANGES
+
+* Raises minimum Elixir version to 1.12
+
+### Features
+
+* allow default values for optional map keys ([#32](https://github.com/mhanberg/schematic/issues/32)) ([f4f799c](https://github.com/mhanberg/schematic/commit/f4f799c9450764f2251ef71e43b6082b7ce15272))
+* atom schematic ([#34](https://github.com/mhanberg/schematic/issues/34)) ([b524b5a](https://github.com/mhanberg/schematic/commit/b524b5a0bb5bf9432aad23470b4d9dba6c2ccf65))
+
 ## [0.3.1](https://github.com/mhanberg/schematic/compare/v0.3.0...v0.3.1) (2023-10-07)
 
 

mix.exs

@@ -6,7 +6,7 @@ defmodule Schematic.MixProject do
       app: :schematic,
       description: "Data validation and transformation",
       package: package(),
-      version: "0.3.1",
+      version: "0.4.0",
       elixir: "~> 1.12",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,