Merge pull request #81 from dbluhm/release/0.9.0-pre4

chore: bump version for 0.9.0-pre4

Author: dbluhm

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aries-staticagent"
-version = "0.9.0-pre3"
+version = "0.9.0-pre4"
 description = "Aries Static Agent library for Python"
 authors = ["Daniel Bluhm <dbluhm@pm.me>", "Sam Curren <telegramsam@gmail.com>"]
 maintainers = ["Daniel Bluhm <dbluhm@pm.me>"]