Install psalm as dev, sync scripts updates

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

@@ -0,0 +1,33 @@
+<?php
+
+namespace LanguageServerProtocol;
+
+class ClientCapabilitiesGeneral
+{
+    /**
+     * Client capabilities specific to regular expressions.
+     *
+     * @since 3.16.0
+     *
+     * @var RegularExpressionsClientCapabilities|null
+     */
+    public $regularExpressions;
+
+    /**
+     * Client capabilities specific to the client's markdown parser.
+     *
+     * @since 3.16.0
+     *
+     * @var MarkdownClientCapabilities|null
+     */
+    public $markdown;
+
+
+    public function __construct(
+        RegularExpressionsClientCapabilities $regularExpressions = null,
+        MarkdownClientCapabilities $markdown = null
+    ) {
+        $this->regularExpressions = $regularExpressions;
+        $this->markdown = $markdown;
+    }
+}