SPARKNLP-832-MultiDateMatcher-doesn-t-return-multiple-dates

[danilojsl]

Description

This change modifies the code to support the scenario where a text has multiple dates content.
It adds setRelaxedFactoryStrategy parameter to allow the users to choose the matching strategy bases on their use cases.

Motivation and Context

To solve a bug that only outputs one date regardless of the number of dates presented in a text

How Has This Been Tested?

Screenshots (if appropriate):

• Local Tests
• Google Colab notebook

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Code improvements with no or little impact
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING page.
• I have added tests to cover my changes.
• All new and existing tests passed.