DOC-1627 : Update EVM to SVM max message data length value in service limit docs (#3201)

Author: SyedAsadKazmi

src/content/ccip/service-limits/svm.mdx

@@ -21,7 +21,7 @@ import CcipCommon from "@features/ccip/CcipCommon.astro"
 
 | Item                                  | Description                                                                                                                       | Limit        |
 | :------------------------------------ | :-------------------------------------------------------------------------------------------------------------------------------- | :----------- |
-| Maximum message data length           | The total payload for the message (includes the user specified message.data as well as the accounts, Bitmap, token transfer data) | 640 bytes    |
+| Maximum message data length           | The total payload for the message (includes the user specified message.data as well as the accounts, Bitmap, token transfer data) | 1280 bytes   |
 | Message execution compute units limit | User specified compute units limit. Mandatory to be set                                                                           | 400,000 CU   |
 | Maximum number of tokens              | Maximum number of distinct tokens a user can transfer in a single transaction.                                                    | 1            |
 | Smart Execution time window           | Maximum duration CCIP will attempt automatic execution of message                                                                 | 8 hours      |