chore: bump 0.4.5

Author: gabaldon

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.4.5
+- Create `StakeRewardsInfo`
+
 ## 0.4.4
 - Update schema to for wit/2
 - Add Stake and unstake transaction types

pubspec.yaml

@@ -5,7 +5,7 @@ description: A library to interface with the Witnet Protocol.
   - communicate with a rust node or wallet server
   - communicate with the explorer
 
-version: 0.4.4
+version: 0.4.5
 
 homepage: https://github.com/witnet/witnet.dart
 repository: https://github.com/witnet/witnet.dart