new: Add release notes for Lab 2.19.1 (#1069)

Author: tonilastre

pages/release-notes.mdx

@@ -163,6 +163,14 @@ updated.
   depend on third-party libraries to offer a secure way of authenticating into
   Memgraph instances. [#526](https://github.com/memgraph/mage/pull/526)
 
+#### Lab v2.19.1 - Nov 27, 2024
+
+{<h4>🐞 Bug fixes</h4>}
+
+- Resolved an issue where username and password inputs were not displayed
+  correctly on the login screen in the Desktop app when authentication
+  was required.
+
 #### Lab v2.19.0 - Nov 27, 2024
 
 {<h4>✨ New features</h4>}