feat(billing): Create mandates for UPI to autopay (backport #5163)

[mergify]

---

This is an automatic backport of pull request #5163 done by [Mergify](https://mergify.com).

[codecov]

Codecov Report

❌ Patch coverage is 7.89474% with 420 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (master@e9a3ac3). Learn more about missing BASE report.
⚠️ Report is 7 commits behind head on master.

Files with missing lines	Patch %	Lines
...press/doctype/razorpay_mandate/razorpay_mandate.py	0.00%	122 Missing ⚠️
...ctype/razorpay_webhook_log/razorpay_webhook_log.py	0.00%	110 Missing ⚠️
press/press/doctype/invoice/invoice.py	8.10%	102 Missing ⚠️
press/api/billing.py	22.22%	63 Missing ⚠️
press/press/doctype/team/team.py	14.81%	23 Missing ⚠️

❌ Your patch status has failed because the patch coverage (7.89%) is below the target coverage (75.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #5873   +/-   ##
=========================================
  Coverage          ?   44.08%           
=========================================
  Files             ?      772           
  Lines             ?    55780           
  Branches          ?        0           
=========================================
  Hits              ?    24588           
  Misses            ?    31192           
  Partials          ?        0           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.