[WebProfilerBundle] fixed button names to be more consistent with others

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/admin.html.twig

@@ -16,7 +16,7 @@
         <button type="submit">
             <span class="border_l">
                 <span class="border_r">
-                    <span class="btn_bg">upload</span>
+                    <span class="btn_bg">UPLOAD</span>
                 </span>
             </span>
         </button>

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/search.html.twig

@@ -23,7 +23,7 @@
         <button type="submit">
             <span class="border_l">
                 <span class="border_r">
-                    <span class="btn_bg">update</span>
+                    <span class="btn_bg">UPDATE</span>
                 </span>
             </span>
         </button>