Switch to LSP4j 0.3.1

Author: ForNeVeR

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ junixsocket = "2.9.0"
 [libraries]
 junixsocket-common = { module = "com.kohlschutter.junixsocket:junixsocket-common", version.ref = "junixsocket" }
 junixsocket-native-common = { module = "com.kohlschutter.junixsocket:junixsocket-native-common", version.ref = "junixsocket" }
-lsp4j = "org.eclipse.lsp4j:org.eclipse.lsp4j:0.22.0"
+lsp4j = "org.eclipse.lsp4j:org.eclipse.lsp4j:0.3.1"
 junit = "junit:junit:4.13.2"
 
 [bundles]