add: updated payment gateways for 2023 Q3

[rjchow]

All Submissions:

• Have you followed the WooCommerce Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Closes #38237.

1. Ensure payment gateway display order is as per shown in Google sheet. The ordering would be descending (i.e: The top has the highest priority).
2. Removed India from ppcp-gateway - others
3. Added India to ppcp-gateway - additional
4. Added Ecuador to mercado - others

(Although India was added to additional payment suggestions, additional payment suggestions only show up upon installation of WCPay and WCPay isn't supported for India, so there is no visible change.)

• This PR is a very minor change/addition and does not require testing instructions (if checked you can ignore/remove the next section).

How to test the changes in this Pull Request:

1. Start with a fresh install
2. Go to OBW
3. Choose Ecuador as store country
4. Complete OBW without installing any plugins in the business step.
5. Go to WooCommerce > Settings > Advanced > WooCommerce.com > Untick "Show Suggestions" checkbox
6. Go to WooCommerce -> Home and choose Set up payments task.
7. Observe that Mercado, PayPal Payments are displayed in order.
8. Change store country to India
9. Observe that Paypal isn't showing up

Test the other countries and make sure the payment gateway display order is as shown in Google sheet.

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you created a changelog file for each project being changed, ie pnpm --filter=<project> changelog add?

FOR PR REVIEWER ONLY:

• I have reviewed that everything is sanitized/escaped appropriately for any SQL or XSS injection possibilities. I made sure Linting is not ignored or disabled.

[github-actions]

Hi @ilyasfoo, @adrianduffell, @woocommerce/ghidorah

Apart from reviewing the code changes, please make sure to review the testing instructions as well.

You can follow this guide to find out what good testing instructions should look like:
https://github.com/woocommerce/woocommerce/wiki/Writing-high-quality-testing-instructions

[github-actions]

Test Results Summary

Commit SHA: 264ab64

Test 🧪	Passed ✅	Failed 🚨	Broken 🚧	Skipped ⏭️	Unknown ❔	Total 📊	Duration ⏱️
API Tests	259	0	0	2	0	261	0m 51s
E2E Tests	195	0	0	10	0	205	15m 2s

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To view the full API test report, click here.
To view the full E2E test report, click here.
To view all test reports, visit the WooCommerce Test Reports Dashboard.

[ilyasfoo]

Thanks for working on this, @rjchow! I wanted to copy paste the whole spreadsheet and let ChatGPT figure it out so bad. One minor missed change I think

[ilyasfoo]

LGTM! Follow-up PR: #38658

[adrianduffell]

LGTM thank you @rjchow ! 🚀