Changed the label from "SDK" to "Contracts SDK" to resolve the duplicate translation key conflict.

Author: mod

docs/build/api/contracts/sdk/_category_.json

@@ -1,5 +1,5 @@
 {
-  "label": "SDK",
+  "label": "Contracts SDK",
   "position": 5,
   "link": {
     "type": "generated-index"