Install psalm as dev, sync scripts updates

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

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+<?php
+
+namespace LanguageServerProtocol;
+
+class PublishDiagnosticsClientCapabilities
+{
+/**
+     * Whether the clients accepts diagnostics with related information.
+     *
+     * @var bool|null
+     */
+    public $relatedInformation;
+
+    /**
+     * Client supports the tag property to provide meta data about a diagnostic.
+     * Clients supporting tags have to handle unknown tags gracefully.
+     *
+     * @since 3.15.0
+     *
+     * @var PublishDiagnosticsClientCapabilitiesTagSupport|null
+     */
+    public $tagSupport;
+
+    /**
+     * Whether the client interprets the version property of the
+     * `textDocument/publishDiagnostics` notification's parameter.
+     *
+     * @since 3.15.0
+     *
+     * @var bool|null
+     */
+    public $versionSupport;
+
+    /**
+     * Client supports a codeDescription property
+     *
+     * @since 3.16.0
+     *
+     * @var bool|null
+     */
+    public $codeDescriptionSupport;
+
+    /**
+     * Whether code action supports the `data` property which is
+     * preserved between a `textDocument/publishDiagnostics` and
+     * `textDocument/codeAction` request.
+     *
+     * @since 3.16.0
+     *
+     * @var bool|null
+     */
+    public $dataSupport;
+
+    public function __construct(
+        bool $relatedInformation = null,
+        PublishDiagnosticsClientCapabilitiesTagSupport $tagSupport = null,
+        bool $versionSupport = null,
+        bool $codeDescriptionSupport = null,
+        bool $dataSupport = null
+    ) {
+        $this->relatedInformation = $relatedInformation;
+        $this->tagSupport = $tagSupport;
+        $this->versionSupport = $versionSupport;
+        $this->codeDescriptionSupport = $codeDescriptionSupport;
+        $this->dataSupport = $dataSupport;
+    }
+}