Update the target platform to EMF 2.34 M1 (#1004)

#998

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

@@ -81,8 +81,8 @@
 
     <location includeAllPlatforms="true" includeMode="slicer" type="InstallableUnit">
        <!-- Check version in "<EMF>/features" directory -->
-      <unit id="org.eclipse.emf.common.feature.group" version="2.29.0.v20230223-0922"/>
-      <unit id="org.eclipse.emf.common.source.feature.group" version="2.29.0.v20230223-0922"/>
+      <unit id="org.eclipse.emf.common.feature.group" version="2.29.0.v20230315-1321"/>
+      <unit id="org.eclipse.emf.common.source.feature.group" version="2.29.0.v20230315-1321"/>
       <unit id="org.eclipse.emf.ecore.feature.group" version="2.31.0.v20230226-0921"/>
       <unit id="org.eclipse.emf.ecore.source.feature.group" version="2.31.0.v20230226-0921"/>
        <!-- For org.eclipse.ui.tools, and PDE's spy dependencies as of Eclipse 4.22 -->
@@ -93,7 +93,7 @@
       <unit id="org.eclipse.emf.databinding.source.feature.group" version="1.10.0.v20230211-1150"/>
       <unit id="org.eclipse.emf.databinding.edit.feature.group" version="1.10.0.v20230211-1150"/>
       <unit id="org.eclipse.emf.databinding.edit.source.feature.group" version="1.10.0.v20230211-1150"/>
-      <repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.33.0/"/>
+      <repository location="https://download.eclipse.org/modeling/emf/emf/builds/milestone/S202304040709/"/>
     </location>
 
     <location includeAllPlatforms="true" includeMode="slicer" type="InstallableUnit">