Update aptos.mdx (#617)

usde docs

Author: KemarTiti

pages/price-feeds/sponsored-feeds/aptos.mdx

@@ -24,4 +24,5 @@ Update Parameters: **15 second heartbeat or 0.5% price deviation**
 | STONE/USD       | `4dcc2fb96fb89a802ef9712f6bd2246d3607cf95ca5540cb24490d37003f8c46` |
 | MOD/USD         | `9a2a116d85a31d6f1bed19771105557276457094e31791a892758148aa54023d` |
 | SUSDE/USD       | `ca3ba9a619a4b3755c10ac7d5e760275aa95e9823d38a84fedd416856cdba37c` |
+| USDE/USD        | `6ec879b1e9963de5ee97e9c8710b742d6228252a5e2ca12d4ae81d7fe5ee8c5d` |
 | STHAPT/THAPT.RR | `ea07fce25d7d716fe6ad10b267451011baadc8f3724b28487026072ddce3ba1b` |