feat: promote to GA

Google APIs · copybara-github · commit 554bb7097f3c · 2023-03-23T13:06:35.000-07:00
PiperOrigin-RevId: 518942337
diff --git a/google/maps/routing/v2/BUILD.bazel b/google/maps/routing/v2/BUILD.bazel
@@ -157,6 +157,7 @@ go_gapic_library(
     grpc_service_config = "library_grpc_service_config.json",
     importpath = "google.golang.org/google/maps/routing/v2;routing",
     metadata = True,
+    release_level = "ga",
     rest_numeric_enums = True,
     service_yaml = "routes_v2.yaml",
     transport = "grpc+rest",
