use 3.14 for unit prerelease and noextras

Author: tswast

noxfile.py

@@ -60,7 +60,8 @@
 
 DEFAULT_PYTHON_VERSION = "3.14"
 
-ALL_PYTHON = ["3.10", "3.11", "3.12", "3.13", "3.14", "3.15"]
+# TODO(tswast): include Python 3.15 when there are pyarrow wheels.
+ALL_PYTHON = ["3.10", "3.11", "3.12", "3.13", "3.14"]
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     PYTEST_VERSION,