fix: start service account grpc api in tests

Author: hamir-suspect

guard/Makefile

@@ -35,6 +35,7 @@ START_GPRC_GUARD_API?="true"
 START_GRPC_AUTH_API?="true"
 START_GRPC_USER_API?="true"
 START_GRPC_ORGANIZATION_API?="true"
+START_GRPC_SERVICE_ACCOUNT_API?="true"
 START_INSTANCE_CONFIG?="true"
 INSTANCE_CONFIG_API?="true"
 START_GRPC_INSTANCE_CONFIG_API="true"
@@ -66,6 +67,7 @@ CONTAINER_ENV_VARS= \
   -e START_GRPC_AUTH_API=$(START_GRPC_AUTH_API) \
   -e START_GRPC_USER_API=$(START_GRPC_USER_API) \
   -e START_GRPC_ORGANIZATION_API=$(START_GRPC_ORGANIZATION_API) \
+  -e START_GRPC_SERVICE_ACCOUNT_API=$(START_GRPC_SERVICE_ACCOUNT_API) \
   -e START_INSTANCE_CONFIG=$(START_INSTANCE_CONFIG) \
   -e INSTANCE_CONFIG_API=$(INSTANCE_CONFIG_API) \
   -e START_GRPC_INSTANCE_CONFIG_API=$(START_GRPC_INSTANCE_CONFIG_API) \