chore(release): prepare for v0.4.0 (#208)

Co-authored-by: Unbound Releaser <releaser@unbound.se>

.version

@@ -1,3 +1,3 @@
 {
-  "version": "v0.3.7"
+  "version": "v0.4.0"
 }

CHANGELOG.md

@@ -2,7 +2,30 @@
 
 All notable changes to this project will be documented in this file.
 
-## [0.3.7] - 2026-08-21
+## [0.4.0] - 2026-10-17
+
+### 🚀 Features
+
+- Move module path to git.unbound.se (#207)
+
+### 🐛 Bug Fixes
+
+- *(deps)* Update module github.com/vektah/gqlparser/v2 to v2.5.37 (#188)
+- *(deps)* Update module github.com/99designs/gqlgen to v0.17.95 (#190)
+- *(deps)* Update module github.com/vektah/gqlparser/v2 to v2.5.58 (#194)
+- *(deps)* Update module github.com/vektah/gqlparser/v2 to v2.5.59 (#197)
+- *(deps)* Update module github.com/vektah/gqlparser/v2 to v2.5.60 (#199)
+- *(deps)* Update module github.com/vektah/gqlparser/v2 to v2.5.61 (#201)
+- *(deps)* Update module github.com/vektah/gqlparser/v2 to v2.5.62 (#203)
+
+### ⚙️ Miscellaneous Tasks
+
+- *(deps)* Update pre-commit hook golangci/golangci-lint to v2.13.2 (#186)
+- *(deps)* Update pre-commit hook alessandrojcm/commitlint-pre-commit-hook to v9.27.0 (#192)
+- *(deps)* Update pre-commit hook golangci/golangci-lint to v2.14.0 (#196)
+- *(deps)* Update dependency python to 3.15 (#205)
+
+## [0.3.7] - 2026-08-29
 
 ### 🐛 Bug Fixes