Revert "Update bitcoin and deps (farcaster-project#220)"

This reverts commit 29c41e4.

Author: Lederstrumpf

CHANGELOG.md

@@ -10,7 +10,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Bump MSRV (Minimum Supported Rust Version) from 1.54.0 to 1.59.0
-- Update bitcoin dependency to `0.28.0-rc.1`, aligns sub-dependencies to match new bitcoin version ([#220](https://github.com/farcaster-project/farcaster-core/pull/220))
 
 ## [0.4.4] - 2022-02-27