increase sign up modal height (#32397)

Author: renteria1010

layouts/partials/global-modals/global-modals.html

@@ -7,7 +7,7 @@ <h5 class="modal-title">{{ i18n "get_started_datadog" }}</h5>
                 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"> </button>
             </div>
             <div class="modal-body">
-                <iframe id="signUpIframe" name="signUpIframe" src="" width="540px" height="730" frameborder="0" scrolling="no" title="Sign Up for Datadog"></iframe>
+                <iframe id="signUpIframe" name="signUpIframe" src="" width="540px" height="805" frameborder="0" scrolling="no" title="Sign Up for Datadog"></iframe>
             </div>
         </div>
     </div>