chore(release): prepare for 1.6.4 (#266)

## [1.6.4] - 2026-03-19

### 🐛 Bug Fixes

- *(deps)* Update kubernetes monorepo to v0.35.3 (#265)

### ⚙️ Miscellaneous Tasks

- *(deps)* Update golang:1.26.1 docker digest to cdebbd5 (#254)
- *(deps)* Update golang:1.26.1 docker digest to c7e98cc (#255)
- *(deps)* Update golang:1.26.1 docker digest to 318ba17 (#257)
- *(deps)* Update golang:1.26.1 docker digest to 16e774b (#259)
- *(deps)* Update golang:1.26.1 docker digest to dd25c49 (#261)
- *(deps)* Update golang:1.26.1 docker digest to c42e4d7 (#263)

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---

**Note:** Please use **Squash Merge** when merging this PR.

Reviewed-on: #266
Co-authored-by: Unbound Releaser <releaser@unbound.se>
Co-committed-by: Unbound Releaser <releaser@unbound.se>

.version

@@ -1,3 +1,3 @@
 {
-  "version": "1.6.3"
+  "version": "1.6.4"
 }

CHANGELOG.md

@@ -2,6 +2,21 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.6.4] - 2026-03-19
+
+### 🐛 Bug Fixes
+
+- *(deps)* Update kubernetes monorepo to v0.35.3 (#265)
+
+### ⚙️ Miscellaneous Tasks
+
+- *(deps)* Update golang:1.26.1 docker digest to cdebbd5 (#254)
+- *(deps)* Update golang:1.26.1 docker digest to c7e98cc (#255)
+- *(deps)* Update golang:1.26.1 docker digest to 318ba17 (#257)
+- *(deps)* Update golang:1.26.1 docker digest to 16e774b (#259)
+- *(deps)* Update golang:1.26.1 docker digest to dd25c49 (#261)
+- *(deps)* Update golang:1.26.1 docker digest to c42e4d7 (#263)
+
 ## [1.6.3] - 2026-03-06
 
 ### 🐛 Bug Fixes