update dependencies and bump version to 0.1.7+45

- Bump version to `0.1.7+45` and update SDK constraint to `>=3.8.0 <4.0.0`.
- Update numerous dependencies

lib/api/mhsl/customTimetableEvent/get/getCustomTimetableEventParams.g.dart

@@ -7,13 +7,9 @@ part of 'getCustomTimetableEventParams.dart';
 // **************************************************************************
 
 GetCustomTimetableEventParams _$GetCustomTimetableEventParamsFromJson(
-        Map<String, dynamic> json) =>
-    GetCustomTimetableEventParams(
-      json['user'] as String,
-    );
+  Map<String, dynamic> json,
+) => GetCustomTimetableEventParams(json['user'] as String);
 
 Map<String, dynamic> _$GetCustomTimetableEventParamsToJson(
-        GetCustomTimetableEventParams instance) =>
-    <String, dynamic>{
-      'user': instance.user,
-    };
+  GetCustomTimetableEventParams instance,
+) => <String, dynamic>{'user': instance.user};