eth: add sei testnet

Author: ali-behjati

pages/price-feeds/contract-addresses/evm.mdx

@@ -125,7 +125,7 @@ Pyth is currently available on the EVM networks below using Pyth Stable price so
 | Polygon zkEVM testnet             | [`0xFf255f800044225f54Af4510332Aa3D67CC77635`](https://testnet-zkevm.polygonscan.com/address/0xFf255f800044225f54Af4510332Aa3D67CC77635)                                     |
 | Polynomial testnet                | [`0x23f0e8FAeE7bbb405E7A7C3d60138FCfd43d7509`](https://explorerl2new-polynomial-network-testnet-x0tryg8u1c.t.conduit.xyz/address/0x23f0e8FAeE7bbb405E7A7C3d60138FCfd43d7509) |
 | Saigon (Ronin testnet)            | [`0xEbe57e8045F2F230872523bbff7374986E45C486`](https://saigon-app.roninchain.com/address/0xEbe57e8045F2F230872523bbff7374986E45C486)                                         |
-| Sei EVM devnet                    | [`0xe9d69CdD6Fe41e7B621B4A688C5D1a68cB5c8ADc`](https://seitrace.com/address/0xe9d69CdD6Fe41e7B621B4A688C5D1a68cB5c8ADc)                                                      |
+| Sei EVM testnet                   | [`0x2880aB155794e7179c9eE2e38200202908C17B43`](https://seitrace.com/address/0x2880aB155794e7179c9eE2e38200202908C17B43?chain=atlantic-2)                                     |
 | Scroll Sepolia                    | [`0x41c9e39574F40Ad34c79f1C99B66A45eFB830d4c`](https://sepolia-blockscout.scroll.io/address/0x41c9e39574F40Ad34c79f1C99B66A45eFB830d4c)                                      |
 | Sepolia (Ethereum testnet)        | [`0xDd24F84d36BF92C65F92307595335bdFab5Bbd21`](https://sepolia.etherscan.io/address/0xDd24F84d36BF92C65F92307595335bdFab5Bbd21)                                              |
 | Shimmer testnet                   | [`0x8D254a21b3C86D32F7179855531CE99164721933`](https://explorer.evm.testnet.shimmer.network/address/0x8D254a21b3C86D32F7179855531CE99164721933)                              |