doc: 更新资源文件键值

Author: ArgoZhang

src/BootstrapBlazor.Server/Locales/en-US.json

@@ -4885,7 +4885,7 @@
     "Affix": "Affix",
     "Watermark": "Watermark",
     "OctIcon": "Oct Icons",
-    "UniverIcons": "Univer Icons",
+    "UniverIcon": "Univer Icons",
     "Typed": "Typed",
     "UniverSheet": "UniverSheet"
   },