feat(cbf): add cbf feature using bdk_kyoto

feat(cbf): add cbf feature using bdk_kyoto

- enable full_scan and sync operations

[issue: #172]

feat(cbf): update broadcasting tx

- add wait time for node to connect to peers
before broadcasting tx
- add sync chain starting from 10 blocks below
the wallet tip to ensure tx is propagated
- update code_coverage workflow to cover cbf
feature

feat(cbf): update bdk-kyoto to 0.9.0

- refactor syncing into a fn
- made `skip-blocks` optional and removed default
value to use bdk-kyoto Sync scan type

feat(cbf): remove looping for kyoto sync

- remove looping for kyoto client sync operations
- fix compiler warnings