feat: release v0.0.16

[joepegler]

PR-Codex overview

This PR introduces a new version (0.0.16) of the @biconomy/sdk, adding support for mock attestors in account creation. It updates the createNexusClient and toNexusAccount functions to handle attesters and thresholds, enhancing the SDK's functionality.

Detailed summary

• Updated CHANGELOG.md for version 0.0.16.
• Changed package.json version from 0.0.15 to 0.0.16.
• Modified createNexusClient to accept attesters and attesterThreshold.
• Enhanced toNexusAccount with default attesters and threshold parameters.
• Added BICONOMY_ATTESTER_ADDRESS and MOCK_ATTESTER_ADDRESS constants.
• Updated tests to verify the new attester functionality.

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[github-actions]

size-limit report 📦

Path	Size
core (esm)	14.25 KB (-0.32% 🔽)
core (cjs)	20.15 KB (+0.01% 🔺)
bundler (tree-shaking)	543 B (0%)
paymaster (tree-shaking)	123 B (0%)