Merge pull request #158 from HathorNetwork/chore/bump-version

chore: bump version 0.21.0

Author: raul-oliveira

pyproject.toml

@@ -5,7 +5,7 @@
 
 [tool.poetry]
 name = "tx-mining-service"
-version = "0.20.0"
+version = "0.21.0"
 package-mode = false
 description = "Service to mine transactions"
 authors = ["Hathor Team <contact@hathor.network>"]