Update build configuration for RAP Tools 3.28.0 M3

- Use Eclipse Platform 4.31 I20240215-1800 (M3)
- Use Eclipse Jetty 12.0.6

features/org.eclipse.rap.tools.feature/.forceQualifierUpdate

@@ -1 +1 @@
-2024-02-01T12:00:00+00:00
+2024-02-20T12:00:00+00:00

releng/org.eclipse.rap.tools.build/pom.xml

@@ -28,9 +28,9 @@
     <!-- disabled due to bug 393977
     <baseline-repository>http://download.eclipse.org/rt/rap/nightly/tooling/</baseline-repository>
      -->
-    <jetty-repo.url>https://download.eclipse.org/tools/orbit/simrel/maven-jetty/release/12.0.5/</jetty-repo.url>
+    <jetty-repo.url>https://download.eclipse.org/tools/orbit/simrel/maven-jetty/release/12.0.6/</jetty-repo.url>
     <orbit-repo.url>https://download.eclipse.org/tools/orbit/simrel/orbit-aggregation/2024-03/</orbit-repo.url>
-    <platform-repo.url>https://download.eclipse.org/eclipse/updates/4.31-I-builds/I20240127-1800/</platform-repo.url>
+    <platform-repo.url>https://download.eclipse.org/eclipse/updates/4.31-I-builds/I20240215-1800/</platform-repo.url>
     <license-repo.url>https://download.eclipse.org/cbi/updates/license/1.0.1.v20140414-1359/</license-repo.url>
     <test-workspace-dir>${java.io.tmpdir}/rap-tools-test-workspace</test-workspace-dir>
     <!-- The build type, N for nighty builds, S for stable builds. S-builds will be signed. -->