Converted LSP4J dependency to version range to include future service releases (#243)
Converted LSP4J dependency to version range to include future service
releases (#243)

Signed-off-by: Miro Spönemann <348d500ed3e382e9a832a78f5c7c35449677d636@typefox.io>
miklossy/xtext-core,miklossy/xtext-core