replace puzzle piece icon with cubes icon

Author: shughes26

layouts/partials/header.html

@@ -116,7 +116,7 @@
                                         <li>
                                             <div class="list-title">
                                                 <a href="/product/internal-developer-platforms/">
-                                                    <i class="fas fa-puzzle-piece fa-fw"></i>
+                                                    <i class="fas fa-cubes fa-fw"></i>
                                                     <span class="list-title-width-hold" title="Pulumi IDP">Pulumi IDP</span>
                                                     <div class="list-sub-title">The Fastest, Most Secure Way to Deliver Cloud Infrastructure</div>
                                                 </a>
@@ -445,7 +445,7 @@
                                         </span> Pulumi Insights </a>
                                     </li>
                                     <li>
-                                        <a href="/product/internal-developer-platforms/"> <i class="fas fa-puzzle-piece fa-fw"></i> Pulumi IDP </a>
+                                        <a href="/product/internal-developer-platforms/"> <i class="fas fa-cubes fa-fw"></i> Pulumi IDP </a>
                                     </li>
                                     <div class="mobile-menu-sub-heading mx-5 mt-2">
                                         <div>Key Capabilities</div>