Update for first Orbit 4.40 milestone

- Update Lucene to 10.4.0
- Update httpcomponents.core5 to 5.4.2.

Author: merks

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

@@ -18,9 +18,9 @@
       <!-- needed because org.eclipse.jdt.feature.group  includes it, but it should include org.hamcrest (direct-from-maven) instead --> 
       <unit id="org.junit" version="4.13.2.v20240929-1000"/>
 
-      <unit id="org.apache.lucene.core" version="10.3.2.v20251117-1800"/>
-      <unit id="org.apache.lucene.analysis-smartcn" version="10.3.2.v20251117-1800"/>
-      <unit id="org.apache.lucene.analysis-common" version="10.3.2.v20251117-1800"/>
+      <unit id="org.apache.lucene.core" version="10.4.0.v20260226-1000"/>
+      <unit id="org.apache.lucene.analysis-smartcn" version="10.4.0.v20260226-1000"/>
+      <unit id="org.apache.lucene.analysis-common" version="10.4.0.v20260226-1000"/>
 
       <!-- This version contains with notarized *.jnilib -->
       <unit id="com.sun.jna" version="5.18.1.v20251001-0800"/>
@@ -31,11 +31,11 @@
       <!-- ECF -->
       <unit id="org.apache.httpcomponents.client5.httpclient5" version="5.6.0.v20251221-1000"/>
       <unit id="org.apache.httpcomponents.client5.httpclient5-win" version="5.2.3.v20231203-1619"/>
-      <unit id="org.apache.httpcomponents.core5.httpcore5" version="5.4.1.v20260211-1000"/>
-      <unit id="org.apache.httpcomponents.core5.httpcore5-h2" version="5.4.1.v20260211-1000"/>
+      <unit id="org.apache.httpcomponents.core5.httpcore5" version="5.4.2.v20260306-1000"/>
+      <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/release/4.39.0"/>
+      <repository location="https://download.eclipse.org/tools/orbit/simrel/orbit-aggregation/milestone/S202603091041"/>
     </location>
 
     <location includeAllPlatforms="true" includeConfigurePhase="false" includeMode="slicer" includeSource="true" type="InstallableUnit">