Add iranian bank cards

[mokhosh]

What is the reason for this PR?

This adds a provider for Iranian Farsi (fa_IR) locale, to provide valid Iranian debit card numbers.

I added the debitCardNumber method as an alias, because while the algorithm is the same, there are no credit cards in Iran.

• [x] A new feature

Author's checklist

• [x] Follow the Contribution Guide
• [ ] New features and changes are documented

Summary of changes

I haven't overrode the methods. I've just overrode the arrays that provide payment provider data.

Review checklist

• [x] All checks have passed
• [ ] Changes are added to the CHANGELOG.md
• [ ] Changes are approved by maintainer

[stale[bot]]

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[mokhosh]

[further activity]