Install psalm as dev, sync scripts updates

vendor/felixfbecker/language-server-protocol/src/SemanticTokensClientCapabilitiesRequests.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace LanguageServerProtocol;
+
+class SemanticTokensClientCapabilitiesRequests
+{
+
+    /**
+     * The client will send the `textDocument/semanticTokens/range` request
+     * if the server provides a corresponding handler.
+     *
+     * @var mixed|null
+     */
+    public $range;
+
+    /**
+     * The client will send the `textDocument/semanticTokens/full` request
+     * if the server provides a corresponding handler.
+     *
+     * @var mixed|null
+     */
+    public $full;
+
+    public function __construct(
+        bool $range = null,
+        bool $full = null
+    ) {
+        $this->range = $range;
+        $this->full = $full;
+    }
+}