[ODM-12773] Fix release notes for release 1.61

Author: Oleg Kunitsyn

docs/home/release-notes.md

@@ -0,0 +1,26 @@
+# Release notes
+
+## Version 1.61
+
+!!! tip ""
+    Helm chart version 1.61.0
+
+### Helm configuration changes
+
+- Mailcatcher was replaced by Mailpit. The `mailcatcher` section has been removed, please use the `mailpit` configuration instead.
+
+    From
+
+      ```yaml
+      mailcatcher:
+        image:
+          repository: dockage/mailcatcher
+      ```
+
+    To
+
+      ```yaml
+      mailpit:
+        image:
+          repository: axllent/mailpit
+      ```