fix: default fee values for zksync eip712 transactions

[kiriyaga-txfusion]

Overview
This PR focuses on fixing default values for eip712 transactions

Detailed summary

• Added gasPerPubdataDefault constant
• Updated prepareTransactionRequest action to include fees
• Functions now use gasPerPubdataDefault as default value for gas per pubdata if is not provided

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PR-Codex overview

This PR fixes default fee values for zkSync EIP712 transactions by updating gas per pubdata values and adjusting transaction parameters.

Detailed summary

• Updated default gasPerPubdata value to 50000n
• Added fees to transaction parameters
• Adjusted condition for EIP-1559 fees
• Updated gasPerPubdataByteLimit to use gasPerPubdataDefault
• Updated gasPerPubdata value in formatters and serializers

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[changeset-bot]

🦋 Changeset detected

Latest commit: 1997c0a

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

This PR includes changesets to release 1 package

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viem	Patch

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[vercel]

@kiriyaga is attempting to deploy a commit to the wevm Team on Vercel.

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[jxom]

Hi. Can I please have write access to this fork?

[kiriyaga-txfusion]

Hi @jxom, you are invited with a write access.