Upgrade to rust-bitcoin 0.28

[afilini]

Description

Upgrade all our dependencies to work with the new release of rust-bitcoin

Notes to the reviewers

The commits in this pr were originally part of #593

Checklists

All Submissions:

• I've signed all my commits
• I followed the contribution guidelines
• I ran cargo fmt and cargo clippy before committing

New Features:

• I've updated CHANGELOG.md

[rajarshimaitra]

Review + tACK f92029d

modulo one deprecation warning in cargo clippy when you run

cargo clippy --all-targets --features compact_filters --no-default-features -- -D warnings

error: use of deprecated associated function `bitcoin::network::stream_reader::StreamReader::<R>::new`: wrap your stream into a buffered reader if necessary and use consensus_encode directly
   --> src/blockchain/compact_filters/peer.rs:330:40
    |
330 |         let mut reader = StreamReader::new(connection, None);
    |                                        ^^^
    |
    = note: `-D deprecated` implied by `-D warnings`

error: use of deprecated associated function `bitcoin::network::stream_reader::StreamReader::<R>::read_next`: wrap your stream into a buffered reader if necessary and use consensus_encode directly
   --> src/blockchain/compact_filters/peer.rs:332:75
    |
332 |             let raw_message: RawNetworkMessage = check_disconnect!(reader.read_next());
    |                                                                           ^^^^^^^^^

error: could not compile `bdk` due to 2 previous errors
warning: build failed, waiting for other jobs to finish...
error: build failed

[rajarshimaitra]

ACK 0016458