refactor: swap the lucide upload icon for phosphor

src/pages/edit-attachments.html

@@ -142,10 +142,7 @@
           class="relative flex flex-col items-center justify-center w-full h-48 md:h-64 border-2 border-dashed border-gray-600 rounded-xl cursor-pointer bg-gray-900 hover:bg-gray-700 transition-colors duration-300"
         >
           <div class="flex flex-col items-center justify-center pt-5 pb-6">
-            <i
-              data-lucide="upload-cloud"
-              class="w-10 h-10 mb-3 text-gray-400"
-            ></i>
+            <i class="ph ph-upload-simple text-4xl mb-3 text-gray-400"></i>
             <p class="mb-2 text-sm text-gray-400">
               <span class="font-semibold" data-i18n="upload.clickToSelect"
                 >Click to select PDF</span