chore: update rust edition 2021, package v1.0.0

- update rust edition to 2021
- update the package version to 1.0.0

Author: tvpeter

CHANGELOG.md

@@ -7,7 +7,7 @@ page. See [DEVELOPMENT_CYCLE.md](DEVELOPMENT_CYCLE.md) for more details.
 
 ## [1.0.0]
 
-- Changed the MSRV to 1.75.0 
+- Changed the MSRV to 1.75.0 and bumped the rust edition to 2021
 - Changed electrum client to use bdk_electrum, sqlite feature to use bdk_wallet/rusqlite 
 - Updated `repl` to use shlex instead of regex, rustyline and fd-lock 
 - Updated `bdk_wallet` to 1.0.0