Update victron_mqtt to 2026.5.7 (#406)

## Changes

- Fix N/{installation_id}/solarcharger/{device_id}/History/Daily/0/TimeIn* to be in minutes: #401

## 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==2026.5.6"
+    "victron_mqtt==2026.5.7"
   ],
   "ssdp": [
     {

victron_mqtt.json

@@ -7717,7 +7717,7 @@
       "message_type": "MetricKind.SENSOR",
       "short_id": "solarcharger_time_in_absorption_today",
       "name": "Time in absorption today",
-      "unit_of_measurement": "s",
+      "unit_of_measurement": "min",
       "metric_type": "MetricType.DURATION",
       "metric_nature": "MetricNature.TOTAL_INCREASING",
       "value_type": "ValueType.INT",
@@ -7744,7 +7744,7 @@
       "message_type": "MetricKind.SENSOR",
       "short_id": "solarcharger_time_in_bulk_today",
       "name": "Time in bulk today",
-      "unit_of_measurement": "s",
+      "unit_of_measurement": "min",
       "metric_type": "MetricType.DURATION",
       "metric_nature": "MetricNature.TOTAL_INCREASING",
       "value_type": "ValueType.INT",
@@ -7771,7 +7771,7 @@
       "message_type": "MetricKind.SENSOR",
       "short_id": "solarcharger_time_in_float_today",
       "name": "Time in float today",
-      "unit_of_measurement": "s",
+      "unit_of_measurement": "min",
       "metric_type": "MetricType.DURATION",
       "metric_nature": "MetricNature.TOTAL_INCREASING",
       "value_type": "ValueType.INT",