Update macOS download links to point on signed macOS builds (#313)

downloads.html

@@ -151,10 +151,17 @@ <h3>Compile using ports</h3>
 
       <div class="column is-12-tablet is-6-desktop">
         <h2>macOS</h2>
-        <p>macOS 13 or later is recommended. May work on older versions when built from source.</p>
+        <p>macOS 11.3 or later is recommended. May work on older versions when built from source.</p>
         <ul>
           <li class="has-text-weight-bold">
-            <a href="https://github.com/minetest/minetest/releases/download/5.10.0/luanti-5.10.0-macos.zip">
+            Signed Apple Silicon -
+            <a href="https://github.com/minetest/minetest/releases/download/5.10.0/luanti-5.10.0-macos11.3_arm64.zip">
+              Luanti 5.10.0 - App
+            </a>
+          </li>
+          <li class="has-text-weight-bold">
+            Signed Intel 64-bit -
+            <a href="https://github.com/minetest/minetest/releases/download/5.10.0/luanti-5.10.0-macos11.3_x86_64.zip">
               Luanti 5.10.0 - App
             </a>
           </li>