fix: pydantic extra keywords deprecated (#753)

Pydantic deprecates using extra keyword arguments on Field.
Used json_schema_extra instead.

Deprecated in Pydantic V2.0 to be removed in V3.0.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>

src/akkudoktoreos/devices/devicesabc.py

@@ -12,8 +12,10 @@ class DevicesBaseSettings(SettingsBaseModel):
 
     device_id: str = Field(
         default="<unknown>",
-        description="ID of device",
-        examples=["battery1", "ev1", "inverter1", "dishwasher"],
+        json_schema_extra={
+            "description": "ID of device",
+            "examples": ["battery1", "ev1", "inverter1", "dishwasher"],
+        },
     )