docs(changeset): add changeset for SDK in previous PR (#4846)

### Description

- Forgot to add a changeset here
#4835 - this is
the changeset for that PR

### Drive-by changes

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### Related issues

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- Fixes #[issue number here]
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### Backward compatibility

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### Testing

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.changeset/odd-frogs-move.md

@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/sdk': minor
+---
+
+Added helpers to Token and token adapters to get bridged supply of tokens"