Build against lsp4j 0.23.1

Author: akurtakov

target-platforms/target-platform-latest/target-platform-latest.target

@@ -14,7 +14,7 @@
 			<unit id="org.eclipse.lsp4j.debug" version="0.0.0"/>
 			<unit id="org.eclipse.lsp4j.jsonrpc.debug" version="0.0.0"/>
 			<unit id="com.google.gson" version="0.0.0"/>
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.23.0/"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.23.1/"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.ui.tests.harness" version="0.0.0"/>