Fix deprecated URL constructor

by replacing new URL(String) with URI.create(String).toURL()
[AI assisted]

Change-Id: I0128318a783a27c2db2aa188bdaf192782f69313
diff --git a/Changes b/Changes
index 6b476fc..b586e14 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,7 @@
 # version 1.2-SNAPSHOT
 
 - Reactivate Query Serializer Web-service (#903)
+- Fix deprecated URL constructor (AI assisted)
 
 # version 1.1