Fix type hint of OCPP 1.6 ChangeConfiguration.value (mobilityhouse#525)

Author: Jared-Newell-Mobility

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Change log
 
+- [#366](https://github.com/mobilityhouse/ocpp/issues/366) Fix type hint of OCPP 1.6 ChangeConfiguration.value
 - [#431](https://github.com/mobilityhouse/ocpp/issues/431) Attributes with 'v2x' are serialized as 'V2x', but should be serialized as 'V2X'
 - [#554](https://github.com/mobilityhouse/ocpp/issues/554) OCPP 2.0.1 Edition 2 Errata 2023-12 document added
 - [#548](https://github.com/mobilityhouse/ocpp/issues/548) OCPP 2.0.1 MessageInfoType attribute name correction
@@ -8,6 +9,7 @@
 
 ## 0.24.0 (2023-12-07)
 
+
 - [#539](https://github.com/mobilityhouse/ocpp/issues/539) feat: Add ChargePoint._handle_call return value. Thanks [@wafa-yah](https://github.com/wafa-yah)
 - [#266](https://github.com/mobilityhouse/ocpp/issues/266) fix: Central System documentation link.
 - [#516](https://github.com/mobilityhouse/ocpp/issues/516) OCPP 2.0.1 add additional security events from v1.3.

ocpp/v16/call.py

@@ -1,5 +1,5 @@
 from dataclasses import dataclass, field
-from typing import Any, Dict, List, Optional
+from typing import Dict, List, Optional
 
 from ocpp.v16.enums import (
     AvailabilityType,
@@ -55,7 +55,7 @@ class ChangeAvailabilityPayload:
 @dataclass
 class ChangeConfigurationPayload:
     key: str
-    value: Any
+    value: str
 
 
 @dataclass