[PLT-2336] Vb/backport export charset plt 2336

[vbrodsky]

Description

Pinterest are on v.3.78.1 and they can not switch to a higher version due to pydantic v1.

They have an issue exporting non-english chars (see below) that we have fixed in v.5.2.1

I am backporting this change

Before the export looked like
'value': 'décembre 2023',

In v.3.78.2 it id fixed:
'value': 'décembre 2023'

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Document change (fix typo or modifying any markdown files, code comments or anything in the examples folder only)

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• Have you followed the guidelines in our Contributing document?
• Have you provided a description?
• Are your changes properly formatted?

New Feature Submissions

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• Have you added thorough tests for your new feature?
• Have you commented your code, particularly in hard-to-understand areas?
• Have you added a Docstring?

Changes to Core Features

• Have you written new tests for your core changes, as applicable?
• Have you successfully run tests with your changes locally?
• Have you updated any code comments, as applicable?