downgrade sweeper because latest stables builds are broken and do not work with the latest version of api

Author: thomas loubrieu

docker/.env

@@ -37,7 +37,7 @@ REG_LOADER_IMAGE=nasapds/registry-loader:latest
 # --------------------------------------------------------------------
 # Registry Sweepers
 # --------------------------------------------------------------------
-REG_SWEEPERS_IMAGE=nasapds/registry-sweepers:latest
+REG_SWEEPERS_IMAGE=nasapds/registry-sweepers:1.5.0
 PROV_CREDENTIALS={"admin":"admin"}
 
 # --------------------------------------------------------------------