Merge branch 'feat/add-python-3.14' of https://github.com/googleapis/python-datastore into feat/add-python-3.14

Author: gcf-owl-bot[bot]

owlbot.py

@@ -104,8 +104,8 @@ def get_staging_dirs(
     system_test_external_dependencies=["six"],
     cov_level=100,
     unit_test_python_versions=["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"],
-    default_python_version="3.10",
-    system_test_python_versions=["3.12"],
+    default_python_version="3.14",
+    system_test_python_versions=["3.14"],
 )
 s.move(
     templated_files,

setup.py

@@ -38,7 +38,7 @@
     "proto-plus >= 1.22.2, <2.0.0; python_version>='3.11'",
     "proto-plus >= 1.25.0, <2.0.0; python_version>='3.13'",
     "protobuf>=3.20.2,<7.0.0,!=3.20.0,!=3.20.1,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
-    "grpcio >= 1.38.0, < 2.0.0; python_version < '3.14'",
+    "grpcio >= 1.38.0, < 2.0.0",
     "grpcio >= 1.75.1, < 2.0.0; python_version >= '3.14'",
 ]
 extras = {"libcst": "libcst >= 0.2.5"}