fix: renamed to init payment methods session

[ArushKapoorJuspay]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

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Description

Renamed to initPaymentMethodsSession

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How did you test it?

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Usage Notes

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Version Update

• I have bumped the package version in package.json following semantic versioning:
  • x.x.x for major changes (breaking).
  • x.x.x for minor changes (new feature, no breaking changes).
  • x.x.x for patch changes (bug fixes, minor improvements).

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Checklist

• I ran npm run re:build and verified the build artifacts.
• I reviewed the code for style, readability, and consistency.
• I verified the changes are backward compatible (if applicable).
• I tested this change in a real or simulated consuming project.
• I updated documentation, README, or usage examples if necessary.