fix(core): preserve tempo prepare transaction types

[deodad]

Summary

Preserve Tempo transaction request narrowing through wagmi's prepareTransactionRequest types.

Motivation

viem 2.50.4 includes the Tempo prepareTransactionRequest narrowing fix, but wagmi still needed coverage and overloads that infer the literal request shape when a chainId is supplied.

Changes

• Bumped viem to 2.50.4.
• Added prepareTransactionRequest overloads that keep chainId and request literals available to the return type.
• Added a Tempo type regression for prepared requests with type: 'tempo'.
• Updated the Tempo wallet deposit test for viem's amount parameter rename.

Testing

• pnpm --filter @wagmi/core check:types
• pnpm vitest run packages/core/src/actions/prepareTransactionRequest.test.ts packages/core/src/tempo/actions/wallet.test.ts (fails in this environment: prepareTransactionRequest tests hit local RPC 400/timeouts after binding the test port; the Tempo wallet test file passed)

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🦋 Changeset detected

Latest commit: 52a386c

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 5 packages

Name	Type
@wagmi/core	Patch
@wagmi/connectors	Patch
wagmi	Patch
@wagmi/solid	Patch
@wagmi/vue	Patch

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commit: 52a386c