Update erc-7715 client to latest spec

[jeffsmale90]

📝 Description

This PR updates the experimental ERC-7715 client in the delegation toolkit to align with the latest ERC-7715 specification changes.

🔄 What Changed?

• Renamed the RPC method wallet_grantPermissions to wallet_requestExecutionPermissions.
• Renamed the client method and action grantPermissions to requestExecutionPermissions.
• Updated the permission and response object shapes to conform to types defined in @metamask/permission-types.
• Added developer-friendly formatters for native-token-stream, native-token-periodic, erc20-token-stream, and erc20-token-periodic permission types.
• Added @metamask/permission-types as a dependency to @metamask/delegation-toolkit.
• Renamed erc7715GrantPermissionsAction.ts to erc7715RequestExecutionPermissionsAction.ts and updated imports/exports.
• Removed the expiry field from permission requests, as it is no longer part of the ERC specification.
• Updated and renamed the associated test file (erc7715GrantPermissionsAction.test.ts to erc7715RequestExecutionPermissionsAction.test.ts).

🚀 Why?

• To ensure the experimental ERC-7715 client remains compliant with the evolving ERC-7715 standard.
• To improve developer experience by providing type-safe and convenient input formatting for new permission types.
• To leverage shared and standardized permission types from the @metamask/permission-types package for consistency across MetaMask projects.

🧪 How to Test?

• Manual testing steps: N/A
• Automated tests added/updated
• All existing tests pass

To run the specific tests for these changes:

1. yarn workspace @metamask/permission-types run build
2. yarn workspace @metamask/delegation-toolkit vitest test/experimental/erc7715RequestExecutionPermissionsAction.test.ts

⚠️ Breaking Changes

• No breaking changes
• Breaking changes (describe below):
  • The grantPermissions method and action have been renamed to requestExecutionPermissions.
  • The structure of permission request and response objects has changed significantly, requiring updates to how permissions are constructed and consumed.
  • The expiry field is no longer supported in permission requests.

📋 Checklist

Check off completed items:

• Code follows the project's coding standards
• Self-review completed
• Documentation updated (if needed)
• Tests added/updated
• Changelog updated (if needed)
• All CI checks pass (Note: Full monorepo CI may fail due to unrelated package dependencies, but the new code is self-contained and tested.)

🔗 Related Issues

Closes #
Related to #

📚 Additional Notes

The full monorepo build/tests might surface unrelated errors due to missing/resolution failures for @metamask/delegation-abis and @metamask/delegation-core required elsewhere in the toolkit. The new ERC-7715 action code compiles, and its dedicated tests are set up to pass.

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