update partner page

Signed-off-by: FeynmanZhou <pengfeizhou@yunify.com>

content/en/partner/_index.md

@@ -12,9 +12,9 @@ section2:
   title: 'Together, build partnership for success all over the world'
   content: 'KubeSphere partners play a critical role in KubeSphere go-to-market strategy. KubeSphere partners are located all over the world, we are looking forward to the global cooperation, your success is our success.'
   name1: 'USA'
-  icon1: 'images/partner/partner2.jpg'
+  icon1: 'images/partner/inaccel.jpg'
   name2: 'European'
-  icon2: 'images/partner/radore.jpg'
+  icon2: 'images/partner/radore-flag.jpg'
   name3: 'China'
   icon3: 'images/partner/qingcloud.svg'
   mapImage: 'images/partner/map.svg'