fix: add langchain google dependency

[saidmukhamad]

Description

Just added dependency in toml for langchain-google-genai

• Fixes #328 (issue)

Type of change

• [ ] New features (non-breaking change).
• [x] Bug fix (non-breaking change).
• [ ] Breaking change (fix or feature that would cause existing functionality not to work as expected).

Checklist

• [x] I have performed a self-review of my code.
• [ ] I have added thorough tests if it is a core feature.
• [ ] There is a reference to the original bug report and related work.
• [ ] I have commented on my code, particularly in hard-to-understand areas.
• [ ] The feature is well documented.

[saidmukhamad]

@taprosoft

Can you look at this, please

[taprosoft]

Hi @saidmukhamad sorry for the late reply. Basically it looks good. Can you revise this as well: https://github.com/Cinnamon/kotaemon/blob/79b309396bfdad33fb44dd40324667f2e4d83a26/flowsettings.py#L194

[saidmukhamad]

Yes, no problem

[saidmukhamad]

@taprosoft Checked and uncommented, works fine!