internal: fix service config path for kms

This file appears to have been moved in googleapis/googleapis

Change-Id: I1709b378d61eda873cc0fe9456e1e40fa3f974d3
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/50070
Reviewed-by: Jean de Klerk <deklerk@google.com>
diff --git a/internal/gapicgen/generator/config.go b/internal/gapicgen/generator/config.go
index 696bacb..e29416e 100644
--- a/internal/gapicgen/generator/config.go
+++ b/internal/gapicgen/generator/config.go
@@ -253,7 +253,7 @@
 		pkg:                   "kms",
 		importPath:            "cloud.google.com/go/kms/apiv1",
 		gRPCServiceConfigPath: "google/cloud/kms/v1/cloudkms_grpc_service_config.json",
-		apiServiceConfigPath:  "google/cloud/kms/cloudkms.yaml",
+		apiServiceConfigPath:  "google/cloud/kms/v1/cloudkms_v1.yaml",
 		releaseLevel:          "ga",
 	},
 	{