Update translate script to use new version of google genai

[venjum]

Description

All support for the google.generativeai package has ended. It will no longer be receiving
updates or bug fixes. Please switch to the google.genai package as soon as possible.
See README for more details:

https://github.com/google-gemini/deprecated-generative-ai-python/blob/main/README.md

In addition make it possible to choose to translate both ways.
Norwegian -> English
English -> Norwegian

Additional Information

No response

Tasks

• Update to use google genai
• Make it possible to translate both ways

Acceptance Criterias

No response