ST6RI-844 Replace Xpect specific nightly repository with latest

Author: ujhelyiz

org.omg.sysml.installer/SysML2.setup

@@ -47,7 +47,7 @@
     <repository
         url="http://download.eclipse.org/releases/2025-03/"/>
     <repository
-        url="https://download.eclipse.org/xpect/updates/nightly/N202505300357"/>
+        url="https://download.eclipse.org/xpect/updates/nightly/latest"/>
     <repository
         url="https://github.com/himi/p2-update-puml-sysmlv2/raw/main/updates"/>
     <description>Install the tools needed in the IDE to work with the source code for ${scope.project.label}</description>

org.omg.sysml.target/org.omg.sysml.target.target

@@ -19,10 +19,8 @@
 			<unit id="net.sourceforge.plantuml.feature.feature.group" version="1.1.25.202211040339"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/xpect/updates/nightly/N202505300357"/>
-			<unit id="org.eclipse.xpect.sdk.feature.group" version="0.3.0.202505300357"/>
-			<unit id="org.eclipse.xpect.xtext.lib.feature.feature.group" version="0.3.0.202505300357"/>
-			<unit id="org.eclipse.xpect.xtext.xbase.lib.feature.feature.group" version="0.3.0.202505300357"/>
+			<repository location="https://download.eclipse.org/xpect/updates/nightly/latest/"/>
+			<unit id="org.eclipse.xpect.sdk.feature.group" version="0.0.0"/>
 		</location>
 	</locations>
 	<targetJRE path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>