ci: fix proto linting, use domain service health check

Signed-off-by: Felix Gateru <felix.gateru@gmail.com>

Author: felixgateru

.github/workflows/api-tests.yaml

@@ -126,7 +126,7 @@ jobs:
 
           # Check if services are responding
           for i in {1..30}; do
-            if curl -f -s http://localhost:9002/health > /dev/null 2>&1; then
+            if curl -f -s http://localhost:9003/health > /dev/null 2>&1; then
               echo "Services are ready!"
               break
             fi

internal/proto/groups/v1/groups.proto

@@ -14,6 +14,7 @@ option go_package = "github.com/absmach/supermq/api/grpc/groups/v1";
 service GroupsService {
   rpc RetrieveEntity(common.v1.RetrieveEntityReq)
     returns (common.v1.RetrieveEntityRes){}
-   rpc DeleteDomainGroups(common.v1.DeleteDomainEntitiesReq)
+  
+  rpc DeleteDomainGroups(common.v1.DeleteDomainEntitiesReq)
     returns (common.v1.DeleteDomainEntitiesRes) {}
 }