Change stomp-py dependency to exact version 6.0.0 (#204)

Author: craig8

gridappsd-python-lib/pyproject.toml

@@ -19,7 +19,7 @@ dependencies = [
     "PyYAML>=6.0",
     "pytz>=2022.7",
     "dateutils>=0.6.7",
-    "stomp-py>=6.0.0",
+    "stomp-py==6.0.0",
     "requests>=2.28",
     "python-dotenv>=0.9",
     "loguru>=0.7",