[pyproject] Add minimum linux requirement

pyproject.toml

@@ -59,6 +59,9 @@ error-config = "tests.data.doesnt_exist"
 channels = ["conda-forge"]
 platforms = ["linux-64", "osx-arm64"]
 
+[tool.pixi.system-requirements]
+linux = "4.19.0"
+
 [tool.pixi.dependencies]
 click = ">=8"
 tomli = "*"