restrict typing-extensions to <5.0

Author: SohumB

pyproject.toml

@@ -16,7 +16,7 @@ numpy = [
     { version = ">=1.15, <1.22", python = ">=3.7.1, <3.8" },
     { version = "^1.15", python = ">=3.8, <3.11" },
 ]
-typing-extensions = ">=3.10"
+typing-extensions = ">=3.10, <5.0"
 xarray = [
     { version = ">=0.18, <0.21", python = ">=3.7.1, <3.8" },
     { version = ">=0.18, <2023", python = ">=3.8, <3.11" },