fix(landing): point download CTAs to releases page, revert artifact name change

Release assets are versioned (sql-assist-desktop-1.0.0.dmg) per release tag,
so a stable /releases/latest/download/ URL can't be used. Link to the releases
page instead so users always see the latest tagged release.

Made-with: Cursor

Author: mrgodhani

electron-builder.yml

@@ -37,7 +37,7 @@ mas:
       arch:
         - universal
 dmg:
-  artifactName: ${name}.${ext}
+  artifactName: ${name}-${version}.${ext}
 npmRebuild: true
 publish:
   provider: generic

landing/index.html

@@ -33,8 +33,8 @@
       <a href="https://github.com/meetgodhani/sql-assist-desktop" class="star-badge" target="_blank" rel="noopener">
         ⭐ Star on GitHub
       </a>
-      <a href="https://github.com/meetgodhani/sql-assist-desktop/releases/latest/download/sql-assist-desktop.dmg"
-         class="btn btn-primary" download>
+      <a href="https://github.com/meetgodhani/sql-assist-desktop/releases/latest"
+         class="btn btn-primary" target="_blank" rel="noopener">
         ⬇ Download for macOS
       </a>
     </div>
@@ -49,8 +49,8 @@
       <h1>Ask your database<br>anything.</h1>
       <p>Connect to PostgreSQL, MySQL, SQLite, or SQL Server. Type a question in plain English. Get a working SQL query instantly — powered by the AI model of your choice.</p>
       <div class="hero-actions">
-        <a href="https://github.com/meetgodhani/sql-assist-desktop/releases/latest/download/sql-assist-desktop.dmg"
-           class="btn btn-primary btn-xl" download>
+        <a href="https://github.com/meetgodhani/sql-assist-desktop/releases/latest"
+           class="btn btn-primary btn-xl" target="_blank" rel="noopener">
           ⬇ Download for macOS
         </a>
         <a href="https://github.com/meetgodhani/sql-assist-desktop" class="btn btn-ghost btn-xl" target="_blank" rel="noopener">
@@ -159,8 +159,8 @@ <h3>Review, execute &amp; export</h3>
   <div class="container">
     <h2>Ready to query smarter?</h2>
     <p>Free, open source, and runs entirely on your machine.</p>
-    <a href="https://github.com/meetgodhani/sql-assist-desktop/releases/latest/download/sql-assist-desktop.dmg"
-       class="btn btn-primary btn-xl" download>
+    <a href="https://github.com/meetgodhani/sql-assist-desktop/releases/latest"
+       class="btn btn-primary btn-xl" target="_blank" rel="noopener">
       ⬇ Download for macOS — Free &amp; Open Source
     </a>
     <div class="cta-badges">