fix: remove mail validation on PG request

[manuraf]

List of Changes

Remove mail vvalidation on OnboardingPg request

Motivation and Context

It cause some issues on openapi pattern

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• 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)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud