Update to the M1 Orbit milestone repository

Author: merks

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

@@ -33,7 +33,7 @@
       <unit id="org.commonmark-gfm-tables" version="0.24.0.v20241021-1700"/>
 
       <!-- 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/S202503161736"/>
+      <repository location="https://download.eclipse.org/tools/orbit/simrel/orbit-aggregation/milestone/S202504030806"/>
     </location>
 
     <location includeAllPlatforms="true" includeConfigurePhase="false" includeMode="slicer" includeSource="true" type="InstallableUnit">