Bump version

CHANGELOG

@@ -25,3 +25,5 @@
 [0.5.4]
 - Change the sender email name
 
+[0.5.5]
+- Fix username login

CloudronManifest.json

@@ -4,7 +4,7 @@
   "author": "WordPress developers",
   "description": "file://DESCRIPTION.md",
   "tagline": "Transform your site into almost anything you can imagine",
-  "version": "0.5.4",
+  "version": "0.5.5",
   "healthCheckPath": "/",
   "httpPort": 8000,
   "manifestVersion": 1,