bumped version

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "volttron-postgresql-historian"
-version = "1.0.0"
+version = "2.0.0rc0"
 description = "VOLTTRON historian agent that stores data in a PostgreSQL database. It extends the SQLHistorian class."
 authors = ["VOLTTRON Team <[email protected]>"]
 license = "Apache License 2.0"
@@ -12,7 +12,7 @@ packages = [ { include = "historian", from = "src" } ]
 
 [tool.poetry.dependencies]
 python = ">=3.10,<4.0"
-volttron-lib-sql-historian=">=1.0.0"
+volttron-lib-sql-historian=">=2.0.0rc0"
 psycopg2-binary = "^2.9.5"
 
 [tool.poetry.group.dev.dependencies]