Fix eclipse-ls bundles to work with new fatjar setup

eclipse-language-servers/org.springframework.tooling.boot.ls/pom.xml

@@ -33,6 +33,7 @@
 								<artifactItem>
 									<groupId>org.springframework.ide.vscode</groupId>
 									<artifactId>spring-boot-language-server</artifactId>
+									<classifier>exec</classifier>
 									<version>1.7.0-SNAPSHOT</version>
 									<overWrite>true</overWrite>
 								</artifactItem>