Update/lit signer

[joshLong145]

Pull Request Checklist

• Did you add new tests and confirm existing tests pass? (yarn test)
• [] Did you update relevant docs? (docs are found in the site folder, and guidelines for updating/adding docs can be found in the contribution guide)
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• Does your PR title also follow the Conventional Commits standard?
• If you have a breaking change, is it correctly reflected in your commit message? (e.g. feat!: breaking change)
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Upgrades the lit-protocol signer to use the 5.0.0 build of lit packages, and adds support for payment delegation for usage on our main net. PR is currently in draft as updates to documentation are happening.

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PR-Codex overview

This PR updates the @lit-protocol dependencies, adds a new LitCapacityCreditsRes interface, and introduces a capacityCreditNeeded callback.

Detailed summary

• Updated @lit-protocol dependencies to version 5.0.0
• Added LitCapacityCreditsRes interface
• Introduced capacityCreditNeeded callback in LitAuthenticateProps
• Updated test data in signer.test.ts
• Modified signer.ts to include delegation signature handling

The following files were skipped due to too many changes: yarn.lock

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