docs/release-notes: update for release 0.6.4

yasminvalim · yasminvalim · commit 2b977e3ea829 · 2024-07-10T16:10:12.000-03:00
diff --git a/docs/release-notes.md b/docs/release-notes.md
@@ -3,7 +3,7 @@
 ## Upcoming openssh-keys 0.6.5 (unreleased)
 
 
-## Upcoming openssh-keys 0.6.4 (2024-05-08)
+## openssh-keys 0.6.4 (2024-07-10)
 
 Changes:
 
