Add python312 runtime to python_google_cloud_function (pantsbuild#20786)

Changes

- Add python312 runtime to python_google_cloud_function target

src/python/pants/backend/google_cloud_function/python/target_types.py

@@ -47,6 +47,7 @@ class PythonGoogleCloudFunctionRuntimes(Enum):
     PYTHON_39 = "python39"
     PYTHON_310 = "python310"
     PYTHON_311 = "python311"
+    PYTHON_312 = "python312"
 
 
 class PythonGoogleCloudFunctionRuntime(PythonFaaSRuntimeField):

src/python/pants/backend/google_cloud_function/python/target_types_test.py

@@ -42,6 +42,7 @@ def rule_runner() -> RuleRunner:
         ["python39", 3, 9],
         ["python310", 3, 10],
         ["python311", 3, 11],
+        ["python312", 3, 12],
     ),
 )
 def test_to_interpreter_version(runtime: str, expected_major: int, expected_minor: int) -> None: