Wrap demantic tokens response result in 'data'

src/main.zig

@@ -1009,7 +1009,7 @@ fn processJsonRpc(parser: *std.json.Parser, json: []const u8, config: Config) !v
 
         return try send(types.Response{
             .id = id,
-            .result = .{ .SemanticTokens = token_array },
+            .result = .{ .SemanticTokens = .{ .data = token_array } },
         });
     }
     // Autocomplete / Signatures

src/types.zig

@@ -59,7 +59,7 @@ pub const ResponseParams = union(enum) {
     Location: Location,
     Hover: Hover,
     DocumentSymbols: []DocumentSymbol,
-    SemanticTokens: []u32,
+    SemanticTokens: struct { data: []u32 },
 };
 
 /// JSONRPC error