release: v0.6.5 (#221)

Co-authored-by: openab-app[bot] <274185012+openab-app[bot]@users.noreply.github.com>

Author: openab-app[bot]

charts/openab/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v2
 name: openab
 description: Discord ↔ ACP coding CLI bridge (Kiro CLI, Claude Code, Codex, Gemini)
 type: application
-version: 0.6.5-beta.1
-appVersion: "0.6.5-beta.1"
+version: 0.6.5
+appVersion: "0.6.5"