Bump json_annotation from 4.11.0 to 4.12.0

Bumps [json_annotation](https://github.com/google/json_serializable.dart) from 4.11.0 to 4.12.0.
- [Release notes](https://github.com/google/json_serializable.dart/releases)
- [Commits](google/json_serializable.dart@json_annotation-v4.11.0...json_annotation-v4.12.0)

---
updated-dependencies:
- dependency-name: json_annotation
  dependency-version: 4.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pubspec.lock

@@ -289,18 +289,18 @@ packages:
     dependency: "direct main"
     description:
       name: json_annotation
-      sha256: cb09e7dac6210041fad964ed7fbee004f14258b4eca4040f72d1234062ace4c8
+      sha256: "2a743920d81b7910627f68ee2c9ac1fc0bfee32b9fc3403587d7c6791ca12f80"
       url: "https://pub.dev"
     source: hosted
-    version: "4.11.0"
+    version: "4.12.0"
   json_serializable:
     dependency: "direct dev"
     description:
       name: json_serializable
-      sha256: "2c15e78e1cc6e62aadecf59f81566fd56829713d96a8c4177699e2b2e17f20db"
+      sha256: ffcd10cde35a93b2abbbcc26bd9971f4ca93763e8abe78d855e3c4177797e501
       url: "https://pub.dev"
     source: hosted
-    version: "6.13.2"
+    version: "6.14.0"
   leak_tracker:
     dependency: transitive
     description:

pubspec.yaml

@@ -37,7 +37,7 @@ dependencies:
   cupertino_icons: ^1.0.9
   go_router: ^17.2.3
   http: ^1.2.2
-  json_annotation: ^4.9.0
+  json_annotation: ^4.12.0
   slang: ^4.14.0
   slang_flutter: ^4.15.0
   web: ^1.1.0