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/marianumcloud/talk/deleteReactMessage/deleteReactMessageParams.g.dart

@@ -7,13 +7,9 @@ part of 'deleteReactMessageParams.dart';
 // **************************************************************************
 
 DeleteReactMessageParams _$DeleteReactMessageParamsFromJson(
-        Map<String, dynamic> json) =>
-    DeleteReactMessageParams(
-      json['reaction'] as String,
-    );
+  Map<String, dynamic> json,
+) => DeleteReactMessageParams(json['reaction'] as String);
 
 Map<String, dynamic> _$DeleteReactMessageParamsToJson(
-        DeleteReactMessageParams instance) =>
-    <String, dynamic>{
-      'reaction': instance.reaction,
-    };
+  DeleteReactMessageParams instance,
+) => <String, dynamic>{'reaction': instance.reaction};