Use the more lightweight py-poetry-core instead py-poetry and relax version requirements.

--- pyproject.toml.orig	2023-05-13 19:02:47 UTC
+++ pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
-requires = ["poetry==1.3.2"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry-core>=1.3.2"]
+build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "netmiko"