[TP] Update to WWD 1.3.4 and LSP4E 0.26

Fixes #1751

Author: HannesWell

target-platform/target-platform.target

@@ -33,10 +33,11 @@
 			<unit id="org.eclipse.wst.xsd.core" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/wildwebdeveloper/releases/1.3.3/"/>
+			<repository location="https://download.eclipse.org/wildwebdeveloper/releases/1.3.4/"/>
 			<repository location="https://download.eclipse.org/tm4e/releases/0.11.0/"/>
-			<repository location="https://download.eclipse.org/lsp4e/releases/0.25.1/"/>
+			<repository location="https://download.eclipse.org/lsp4e/releases/0.26.0/"/>
 			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.22.0/"/>
+			<repository location="https://download.eclipse.org/mylyn/docs/releases/3.0.48/"/>
 			<unit id="org.eclipse.wildwebdeveloper.xml.feature.feature.group" version="0.0.0"/>
 			<unit id="org.eclipse.lsp4e" version="0.0.0"/>
 		</location>