feat:H1116-L3 - Refund and sync for Bambora

[hey-ritikgupta]

Type of Change

• [ ] Bugfix
• [ ] New feature
• [ ] Enhancement
• [ ] Refactoring
• [ ] Dependency updates

Description

Additional Changes

• [ ] This PR modifies the database schema
• [ ] This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

Checklist

• [ ] I formatted the code cargo +nightly fmt --all
• [ ] I addressed lints thrown by cargo clippy
• [ ] I reviewed submitted code
• [ ] I added unit tests for my changes where possible
• [ ] I added a CHANGELOG entry if applicable

[hey-ritikgupta]

Refund related flows are in to-do's, complete the to-do's

Done

[ArjunKarthik]

Thanks for the contribution @hey-ritikgupta , We are merging the changes from different participant as it has more flows implemented. You can still continue your contributions on the open issues.