Cleanup `PackageTemplate`a bit#3297

Merged

TheBlueMatt merged 8 commits intolightningdevkit:mainfrom

TheBlueMatt:2024-09-cleanup-package

Oct 18, 2024

Commits on Oct 16, 2024

Commits on Oct 18, 2024

Set correct `counterparty_spendable_height` for outb local HTLCs
TheBlueMatt
committed
Add a test for the fee-bump rate of timeout HTLC claims on cp txn
TheBlueMatt
committed