Update reference for volatile_organic_compounds_parts in random (home-assistant#149832)

Author: NoRi2909

homeassistant/components/random/strings.json

@@ -130,7 +130,7 @@
         "temperature": "[%key:component::sensor::entity_component::temperature::name%]",
         "timestamp": "[%key:component::sensor::entity_component::timestamp::name%]",
         "volatile_organic_compounds": "[%key:component::sensor::entity_component::volatile_organic_compounds::name%]",
-        "volatile_organic_compounds_parts": "[%key:component::sensor::entity_component::volatile_organic_compounds::name%]",
+        "volatile_organic_compounds_parts": "[%key:component::sensor::entity_component::volatile_organic_compounds_parts::name%]",
         "voltage": "[%key:component::sensor::entity_component::voltage::name%]",
         "volume": "[%key:component::sensor::entity_component::volume::name%]",
         "volume_flow_rate": "[%key:component::sensor::entity_component::volume_flow_rate::name%]",