Upgrade to lsp4j 0.5.0

Author: Duhemm

project/Build.scala

@@ -870,7 +870,7 @@ object Build {
       fork in run := true,
       fork in Test := true,
       libraryDependencies ++= Seq(
-        "org.eclipse.lsp4j" % "org.eclipse.lsp4j" % "0.5.0.M1",
+        "org.eclipse.lsp4j" % "org.eclipse.lsp4j" % "0.5.0",
         Dependencies.`jackson-databind`
       ),
       javaOptions := (javaOptions in `dotty-compiler-bootstrapped`).value,