Duplicate params to avoid modifying input hash

[danarnold]

• Duplicate params to avoid modifying input hash
• Bump version

[Copilot]

Pull Request Overview

This PR ensures that the original input params hash isn’t mutated during API requests and bumps the version.

• Added a test to verify that Emailable.verify doesn’t modify the provided params hash
• Updated the request method in lib/emailable/client.rb to duplicate params before deleting :api_key and :access_token

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
test/authentication_test.rb	Added test_does_not_modify_params to guard against param mutation
lib/emailable/client.rb	Introduced params_copy and switched to using it instead of mutating params

Comments suppressed due to low confidence (1)

lib/emailable/client.rb:20

• [nitpick] The variable name params_copy is generic. Consider renaming it to something more descriptive, such as request_params or sanitized_params, to clarify its purpose.

params_copy = params.dup