Revert IoT Agents

Author: jason-fox

.env

@@ -23,7 +23,7 @@ MONGO_DB_PORT=27017
 MONGO_DB_VERSION=4.4
 
 # IoT Agent Ultralight Variables
-ULTRALIGHT_VERSION=3.5.0-distroless
+ULTRALIGHT_VERSION=3.4.0-distroless
 IOTA_NORTH_PORT=4041
 IOTA_SOUTH_PORT=7896