CI: Upgrade important CI environment (#62610)

clients/python/pyproject.toml

@@ -17,17 +17,12 @@
 
 [build-system]
 requires = [
-    "distlib==0.4.0",
-    "filelock==3.24.3",
     "hatchling==1.29.0",
     "packaging==26.0",
     "pathspec==1.0.4",
-    "platformdirs==4.9.2",
     "pluggy==1.6.0",
     "tomli==2.4.0; python_version < '3.11'",
     "trove-classifiers==2026.1.14.14",
-    "typing-extensions==4.15.0; python_version < '3.11'",
-    "virtualenv==20.39.1",
 ]
 build-backend = "hatchling.build"