add stone aptos pusher (#424)

Author: mariobern

pages/price-feeds/sponsored-feeds.mdx

@@ -111,3 +111,4 @@ The price feeds listed in the table below are currently sponsored in Aptos mainn
 | EZETH/USD | `06c217a791f5c4f988b36629af4cb88fad827b2485400a358f3b02886b54de92` |
 | WEETH/USD | `9ee4e7c60b940440a261eb54b6d8149c23b580ed7da3139f7f08f4ea29dad395` |
 | USDM/USD  | `a6a0dfa49b6b3a93510658245618099f5e842514970f596cf64fad9e0d658193` |
+| STONE/USD | `4dcc2fb96fb89a802ef9712f6bd2246d3607cf95ca5540cb24490d37003f8c46` |