chore(deps): bump json_serializable from 6.8.0 to 6.9.0 in /packages/discord_gcp_alerts in the discord_gcp_alerts-deps group (#2640)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Bryan Oltman <bryan@shorebird.dev>

packages/discord_gcp_alerts/pubspec.lock

@@ -5,18 +5,23 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      sha256: "0b2f2bd91ba804e53a61d757b986f89f1f9eaed5b11e4b2f5a2468d86d6c9fc7"
+      sha256: "45cfa8471b89fb6643fe9bf51bd7931a76b8f5ec2d65de4fb176dba8d4f22c77"
       url: "https://pub.dev"
     source: hosted
-    version: "67.0.0"
+    version: "73.0.0"
+  _macros:
+    dependency: transitive
+    description: dart
+    source: sdk
+    version: "0.3.2"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      sha256: "37577842a27e4338429a1cbc32679d508836510b056f1eedf0c8d20e39c1383d"
+      sha256: "4959fec185fe70cce007c57e9ab6983101dbe593d2bf8bbfb4453aaec0cf470a"
       url: "https://pub.dev"
     source: hosted
-    version: "6.4.1"
+    version: "6.8.0"
   args:
     dependency: transitive
     description:
@@ -261,10 +266,10 @@ packages:
     dependency: "direct dev"
     description:
       name: json_serializable
-      sha256: ea1432d167339ea9b5bb153f0571d0039607a873d6e04e0117af043f14a1fd4b
+      sha256: c2fcb3920cf2b6ae6845954186420fca40bc0a8abcc84903b7801f17d7050d7c
       url: "https://pub.dev"
     source: hosted
-    version: "6.8.0"
+    version: "6.9.0"
   logging:
     dependency: transitive
     description:
@@ -273,6 +278,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
+  macros:
+    dependency: transitive
+    description:
+      name: macros
+      sha256: "0acaed5d6b7eab89f63350bccd82119e6c602df0f391260d0e32b5e23db79536"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.2-main.4"
   matcher:
     dependency: transitive
     description:

packages/discord_gcp_alerts/pubspec.yaml

@@ -14,7 +14,7 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.4.13
-  json_serializable: ^6.6.1
+  json_serializable: ^6.9.0
   mocktail: ^1.0.4
   test: ^1.25.8
   very_good_analysis: ^6.0.0