Update victron_mqtt to 2026.4.0 (#333)

## Changes

- remove dcdc none-existed topic
- centralize device name logic in the library

## Contributors

@tomer-w

Co-authored-by: tomer-w <57483589+tomer-w@users.noreply.github.com>

Author: github-actions[bot]

custom_components/victron_mqtt/manifest.json

@@ -10,7 +10,7 @@
   "iot_class": "local_push",
   "issue_tracker": "https://github.com/tomer-w/ha-victron-mqtt/issues",
   "requirements": [
-    "victron_mqtt==2026.3.13"
+    "victron_mqtt==2026.4.0"
   ],
   "ssdp": [
     {

custom_components/victron_mqtt/translations/en.json

@@ -332,9 +332,6 @@
       "alternator_charge_current_limit": {
         "name": "Charge current limit"
       },
-      "dcdc_charge_current_limit": {
-        "name": "Charge current limit"
-      },
       "evcharger_set_current": {
         "name": "Set current"
       },
@@ -902,9 +899,6 @@
           "sustain_alt": "Sustain Alt"
         }
       },
-      "dcdc_charge_current_limit": {
-        "name": "Charge current limit"
-      },
       "dcdc_dc_current": {
         "name": "DC output current"
       },

victron_mqtt.json

@@ -1766,28 +1766,6 @@
       "generic_name": "Mode",
       "is_formula": false
     },
-    {
-      "topic": "N/{installation_id}/dcdc/{device_id}/Settings/ChargeCurrentLimit",
-      "message_type": "MetricKind.NUMBER",
-      "short_id": "dcdc_charge_current_limit",
-      "name": "Charge current limit",
-      "unit_of_measurement": "A",
-      "metric_type": "MetricType.CURRENT",
-      "metric_nature": "MetricNature.MEASUREMENT",
-      "value_type": "ValueType.FLOAT",
-      "precision": 1,
-      "enum": null,
-      "min_max_range": "RangeType.STATIC",
-      "min": 0,
-      "max": 200,
-      "step": null,
-      "is_adjustable_suffix": null,
-      "key_values": {},
-      "experimental": false,
-      "depends_on": [],
-      "generic_name": "Charge current limit",
-      "is_formula": false
-    },
     {
       "topic": "N/{installation_id}/dcdc/{device_id}/State",
       "message_type": "MetricKind.SENSOR",
@@ -9318,7 +9296,7 @@
       "EnumValues": [
         {
           "id": "system",
-          "name": "System",
+          "name": "Victron Venus",
           "value": "system"
         },
         {