update polkadot-sdk version

Author: brunopgalvao

llms.txt

@@ -1185,7 +1185,7 @@ This API can be used independently for dry-running, double-checking, or testing.
 This API allows a dry-run of any extrinsic and obtaining the outcome if it fails or succeeds, as well as the local xcm and remote xcm messages sent to other chains.
 
 ```rust
-
+fn dry_run_call(origin: OriginCaller, call: Call, result_xcms_version: XcmVersion) -> Result<CallDryRunEffects<Event>, Error>;
 ```
 
 ??? interface "Input parameters"
@@ -1912,7 +1912,7 @@ client.destroy();
 This API allows the direct dry-run of an xcm message instead of an extrinsic one, checks if it will execute successfully, and determines what other xcm messages will be forwarded to other chains.
 
 ```rust
-}
+fn dry_run_call(origin: OriginCaller, call: Call) -> Result<CallDryRunEffects<Event>, Error>;
 ```
 
 ??? interface "Input parameters"

variables.yml

@@ -18,8 +18,8 @@ dependencies:
       docker_image_version: 1.84.1
     polkadot_sdk:
       repository_url: https://github.com/paritytech/polkadot-sdk
-      version: polkadot-stable2412
-      docker_image_version: stable2412
+      version: polkadot-stable2503-7
+      docker_image_version: stable2503-7
     open_zeppelin_contracts:
       repository_url: https://github.com/OpenZeppelin/openzeppelin-contracts
       version: v5.3.0