Fix build

Author: daplf

jdt-ls-extension/pom.xml

@@ -14,7 +14,7 @@
 
 	<properties>
 		<java.version>11</java.version>
-		<tycho-version>1.7.0</tycho-version>
+		<tycho-version>2.7.5</tycho-version>
 	</properties>
 
 	<repositories>
@@ -28,7 +28,7 @@
 		<repository>
 			<id>JDT.LS</id>
 			<layout>p2</layout>
-			<url>https://download.eclipse.org/jdtls/snapshots/repository/latest/</url>
+			<url>https://download.eclipse.org/jdtls/milestones/1.9.0/repository/</url>
 		</repository>
 
 		<repository>