fix: taiko

[joepegler]

PR-Codex overview

This PR updates the version to 4.6.1, fixes Taiko testnet, adds test-playground workflow, and refactors code in various files.

Detailed summary

• Version bumped to 4.6.1, Taiko testnet fix
• Added test-playground workflow
• Refactored code in BaseSmartContractAccount
• Updated constants in Constants.ts
• Added taikoHekla chain in tests
• Updated code in write.test.ts and playground/write.test.ts

The following files were skipped due to too many changes: tests/playground/write.test.ts, src/account/BiconomySmartAccountV2.ts

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[github-actions[bot]]

size-limit report 📦

Path	Size
core (esm)	72.52 KB (0%)
core (cjs)	78.39 KB (0%)
account (tree-shaking)	69.8 KB (0%)
bundler (tree-shaking)	2.54 KB (0%)
paymaster (tree-shaking)	2.23 KB (0%)
modules (tree-shaking)	57.85 KB (0%)

[livingrockrises]

sorry @joepegler I missed to review. but I prefer to change name and constants from Taiko to Taiko_Hekla please? TAIKO_FACTORY_ADDRESS > TAIKO_HEKLA_FACTORY_ADDRESS and such