Add timezone preference across time displays

src/lib/ui/components/PluginGithubImport.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+    import { timeFormat } from '$ui/stores/time-zone.js';
     import { onMount, onDestroy } from 'svelte';
     import { goto } from '$app/navigation';
     import type { GithubPluginRelease, PluginUpdate } from '$lib/plugin-github.js';
@@ -118,7 +119,7 @@
         {#if release}
             <div class="preview">
                 <div class="heading"><h3>{release.name || release.tag}</h3><Badge variant={release.prerelease ? 'warning' : 'neutral'}>{release.prerelease ? 'Prerelease' : 'Release'} · {release.tag}</Badge></div>
-                <p><a href={release.url} target="_blank" rel="noreferrer">View on GitHub ↗</a> · Published {new Date(release.publishedAt).toLocaleDateString()}</p>
+                <p><a href={release.url} target="_blank" rel="noreferrer">View on GitHub ↗</a> · Published {$timeFormat.date(release.publishedAt)}</p>
                 <details open><summary>Release notes</summary><pre>{release.notes || 'No release notes provided.'}</pre></details>
                 {#if release.assets.length === 0}
                     <p>No importable DLL assets found. Choose another release or upload a DLL manually. Direct DLL assets up to 64 MB are supported.</p>