packaging: require compatible typing-extensions version

Declare the minimum version that provides Self and retain a major-version upper bound for dependency compatibility.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: cartertinney

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
     "PySocks",
     "requests>=2.32.3,<3.0.0",
     "requests-unixsocket>=0.4.1",
-    "typing-extensions",
+    "typing-extensions>=4.0.0,<5.0.0",
 ]
 
 [project.urls]