chore(release): prepare for 1.6.4

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.6.4] - 2026-04-10
+
+### ⚙️ Miscellaneous Tasks
+
+- *(deps)* Update golang:1.26.1 docker digest to 5ba1126 (#341)
+- *(deps)* Update dependency go to v1.26.2 (#343)
+
 ## [1.6.3] - 2026-03-19
 
 ### 🐛 Bug Fixes