Update pyproject.toml

Author: ben1post

pyproject.toml

@@ -7,7 +7,7 @@ license = "BSD 3-Clause"
 readme = "README.md"
 
 [tool.poetry.dependencies]
-python = ">=3.9"
+python = ">=3.8"
 xarray-simlab = "^0.5.0"
 scipy = ">=1.9.1"
 dask = {extras = ["distributed"], version = ">=2022.10.0"}
@@ -19,7 +19,7 @@ tqdm = "*"
 [tool.poetry.dev-dependencies]
 pytest = "^7.1.3"
 pytest-cov = "^4.0.0"
-myst-nb = {version = "^0.16.0", python = "^3.9"}
+myst-nb = "*"
 sphinx-autoapi = "^2.0.0"
 sphinx-toolbox = "*"
 sphinx-rtd-theme = "^1.0.0"