Fix ElectricalComponentCategory enum numbering

This commit removes the unnecessary gap in numbering in the
`ElectricalComponentCategory` enum in the `electrical_components.proto`
file.

Signed-off-by: Tiyash Basu <[email protected]>

Author: tiyash-basu-frequenz

RELEASE_NOTES.md

@@ -22,6 +22,7 @@
 - Added new message `CommunicationComponentDiagnostic` to represent warnings and errors in microgrid communication components.
 - Added new message `CommunicationComponentStateSnapshot` to represent the state of communication components.
 - Added new message definitions for streaming events (Deleted, Created, Updated)
+- Remove unnecessary gap in numbering in the `ElectricalComponentCategory` enum.
 
 ## Bug Fixes
 

proto/frequenz/api/common/v1/microgrid/electrical_components/electrical_components.proto

@@ -48,43 +48,43 @@ enum ElectricalComponentCategory {
   ELECTRICAL_COMPONENT_CATEGORY_EV_CHARGER = 6;
 
   // A crypto miner.
-  ELECTRICAL_COMPONENT_CATEGORY_CRYPTO_MINER = 8;
+  ELECTRICAL_COMPONENT_CATEGORY_CRYPTO_MINER = 7;
 
   // An electrolyzer for converting water into hydrogen and oxygen.
-  ELECTRICAL_COMPONENT_CATEGORY_ELECTROLYZER = 9;
+  ELECTRICAL_COMPONENT_CATEGORY_ELECTROLYZER = 8;
 
   // A heat and power combustion plant (CHP stands for combined heat and power).
-  ELECTRICAL_COMPONENT_CATEGORY_CHP = 10;
+  ELECTRICAL_COMPONENT_CATEGORY_CHP = 9;
 
   // A relay.
   // Relays generally have two states: open (connected) and closed
   // (disconnected).
   // They are generally placed in front of a component, e.g., an inverter, to
   // control whether the component is connected to the grid or not.
-  ELECTRICAL_COMPONENT_CATEGORY_RELAY = 11;
+  ELECTRICAL_COMPONENT_CATEGORY_RELAY = 10;
 
   // A precharge module.
   // Precharging involves gradually ramping up the DC voltage to prevent any
   // potential damage to sensitive electrical components like capacitors.
   // While many inverters and batteries come equipped with in-built precharging
   // mechanisms, some may lack this feature. In such cases, we need to use
   // external precharging modules.
-  ELECTRICAL_COMPONENT_CATEGORY_PRECHARGER = 12;
+  ELECTRICAL_COMPONENT_CATEGORY_PRECHARGER = 11;
 
   // A fuse.
   // Fuses are used to protect electrical components from overcurrents.
-  ELECTRICAL_COMPONENT_CATEGORY_FUSE = 13;
+  ELECTRICAL_COMPONENT_CATEGORY_FUSE = 12;
 
   // A voltage transformer.
   // Voltage transformers are used to step up or step down the voltage, keeping
   // the power somewhat constant by increasing or decreasing the current.
   // If voltage is stepped up, current is stepped down, and vice versa.
   // Note that voltage transformers have efficiency losses, so the output power
   // is always less than the input power.
-  ELECTRICAL_COMPONENT_CATEGORY_VOLTAGE_TRANSFORMER = 14;
+  ELECTRICAL_COMPONENT_CATEGORY_VOLTAGE_TRANSFORMER = 13;
 
   // An HVAC (Heating, Ventilation, and Air Conditioning) system.
-  ELECTRICAL_COMPONENT_CATEGORY_HVAC = 15;
+  ELECTRICAL_COMPONENT_CATEGORY_HVAC = 14;
 }
 
 // ElectricalComponentStatus defines the possible statuses for a component.