adjust sponsor naming on pages

Author: yyx990803

themes/vue/layout/partials/sponsors_sidebar.ejs

@@ -1,6 +1,6 @@
 <div id="sidebar-sponsors-special">
   <div class="main-sponsor">
-    <span>Special Sponsors</span>
+    <span>Special Sponsor</span>
     <div>
     <%_ for (const sponsor of theme.special_sponsors) {_%>
     <a href="<%- sponsor.url %>" target="_blank" class="logo">
@@ -13,7 +13,7 @@
 
 <div id="sidebar-sponsors-platinum">
   <div class="main-sponsor">
-    <span>Patreon Sponsors</span>
+    <span>Platinum Sponsors</span>
     <div>
     <%_ for (const sponsor of theme.platinum_sponsors) {_%>
     <a href="<%- sponsor.url %>" target="_blank" class="logo">