Revert version bump in UDC guide

Author: immrsd

content/contracts-cairo/3.x/guides/deploy-udc.mdx

@@ -33,7 +33,7 @@ under one important assumption: **the declared UDC class hash MUST be the same a
 Different compiler versions may produce different class hashes for the same contract, so you need to make
 sure you are using the same compiler version to build the UDC class (and the release profile).
 
-The latest version of the UDC available in the `openzeppelin_presets` package was compiled with **Cairo v2.13.1** (release profile) and the resulting class hash is `0x01b2df6d8861670d4a8ca4670433b2418d78169c2947f46dc614e69f333745c8`.
+The latest version of the UDC available in the `openzeppelin_presets` package was compiled with **Cairo v2.11.4** (release profile) and the resulting class hash is `0x01b2df6d8861670d4a8ca4670433b2418d78169c2947f46dc614e69f333745c8`.
 
 <Callout type='warn'>
 If you are using a different compiler version, you need to make sure the class hash is the same as the one above in order to keep the same address across all networks.
@@ -88,7 +88,7 @@ The bootstrapper contract is a simple contract that declares the UDC and allows
 You can find a reference implementation below:
 
 <Callout>
-This reference implementation targets Cairo v2.13.1. If you are using a different version of Cairo, you may need to update the code to match your compiler version.
+This reference implementation targets Cairo v2.11.4. If you are using a different version of Cairo, you may need to update the code to match your compiler version.
 </Callout>
 
 ```rust