doc: release 1.7.3

Author: frankiejol

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 **Implemented enhancements:**
 
-- Translations update Catalan, Spanish and Russian [\#1817]
+- Translations update Catalan, Spanish, German and Russian [\#1817]
 - Vietnamese translation [\#1809]
 
 **Refactors**
@@ -12,5 +12,5 @@
 - Admin can't change user passwords [\#1805]
 - LDAP access control issue [\#1821]
 - Fix: parrot linux updated [\#1819]
-- Fix clone from scratch in frontend [\#1823]
+- Fix: clone from scratch in frontend [\#1823]