Add "remember_me" option to /api/v1/users/sign_in endpoint

[7riumph]

Part of epic #3942

What type of user does this affect?

• volunteers

How should it operate? ⚙️🛠️

Endpoint should now have a remember_me option for extended sessions.

Refresh tokens delivered with this option are valid for 1 year.

Acceptance Criteria

• Adds remember_me to the /api/v1/users/sign_in JSON payload
• Makes refresh token valid for 1 year if remember_me is true
• Updates relevant /api/v1 controllers so the endpoint can output this data (session controller and or blueprint)

Helpful Links

API Folder Structure
Blueprint