Update target platform to 4.27 release build.

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

jdtls.ext/com.microsoft.java.maven.target/com.microsoft.java.maven.tp.target

@@ -9,7 +9,7 @@
             <unit id="org.eclipse.jdt.source.feature.group" version="0.0.0"/>
             <unit id="org.eclipse.sdk.feature.group" version="0.0.0"/>
             <unit id="org.mockito.mockito-core" version="0.0.0"/>
-            <repository location="https://download.eclipse.org/eclipse/updates/4.27-I-builds/I20230215-0610/"/>
+            <repository location="https://download.eclipse.org/eclipse/updates/4.27/R-4.27-202303020300/"/>
         </location>
         <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
             <unit id="org.eclipse.xtext.xbase.lib" version="0.0.0"/>