Update EMF and Orbit to M1 milestones

Author: merks

eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target

@@ -35,18 +35,18 @@
       <unit id="org.apache.httpcomponents.core5.httpcore5-h2" version="5.4.2.v20260306-1000"/>
 
       <!-- This is the "normal" Orbit repository is expected to be updated on milestones and releases based on Orbit deliveries. -->
-      <repository location="https://download.eclipse.org/tools/orbit/simrel/orbit-aggregation/milestone/S202603091041"/>
+      <repository location="https://download.eclipse.org/tools/orbit/simrel/orbit-aggregation/milestone/S202604010740"/>
     </location>
 
     <location includeAllPlatforms="true" includeConfigurePhase="false" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <unit id="org.eclipse.emf.common" version="2.45.0.v20251210-1145"/>
+      <unit id="org.eclipse.emf.common" version="2.45.0.v20260311-1301"/>
       <unit id="org.eclipse.emf.ecore" version="2.42.0.v20251210-1145"/>
       <unit id="org.eclipse.emf.ecore.change" version="2.17.0.v20250910-1205"/>
       <unit id="org.eclipse.emf.ecore.xmi" version="2.40.0.v20251210-1145"/>
       <unit id="org.eclipse.emf.edit" version="2.23.0.v20250910-1205"/>
       <unit id="org.eclipse.emf.databinding" version="1.9.0.v20250910-1205"/>
       <unit id="org.eclipse.emf.databinding.edit" version="1.10.0.v20250910-1205"/>
-      <repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.45.0"/>
+      <repository location="https://download.eclipse.org/modeling/emf/emf/builds/milestone/S202604010752"/>
     </location>
 
     <location includeAllPlatforms="true" includeConfigurePhase="false" includeMode="slicer" includeSource="true" type="InstallableUnit">