chore: add protobuf to dependencies

Author: mcquenji

example/pubspec.lock

@@ -108,7 +108,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.1.2"
+    version: "1.2.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -210,6 +210,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.1.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
   matcher:
     dependency: transitive
     description:

pubspec.yaml

@@ -22,6 +22,7 @@ dependencies:
   json_annotation: ^4.9.0
   logging: ^1.3.0
   path_provider: ^2.0.13
+  protobuf: ^3.1.0
   window_manager: ^0.4.3
 
 dev_dependencies: