Update Polkagate (#1386)

This closes #1385

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> [!NOTE]
> Updates `src/registry.json` to set `npm:@polkagate/snap` version to
`2.3.2` with the corresponding checksum.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
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Author: Montoya

src/registry.json

@@ -3367,8 +3367,8 @@
         ]
       },
       "versions": {
-        "2.3.1": {
-          "checksum": "VVLtY35DJ21xf19BNA+gxSI3NDBQUpk1FPYnSzS1op0="
+        "2.3.2": {
+          "checksum": "TwSx2jjvpNOaM04mhoI2HbR43ZmIm0xA6AKGPeukHxw="
         }
       }
     },