Loosen dependencies

There are a couple of dependencies pinned to particular versions in this package.

[tool.poetry.dependencies]
python = ">=3.9,<4.0"
grpcio = "1.70.0" // This one...
typing-extensions = "^4.12.2"
zeroconf = "0.116.0" // And this one

Consider loosening them to make it easier to use this package together with other packages.