chore: v3.1.0 (#301)

* ci(dependabot): add next milestone & devcontainer config

* docs: update year

Author: nogic1008

.github/dependabot.yml

@@ -12,6 +12,7 @@ updates:
       timezone: Japan
     labels:
       - dependencies
+    milestone: 7
     commit-message:
       prefix: fix
       prefix-development: chore
@@ -26,6 +27,19 @@ updates:
       timezone: Japan
     labels:
       - dependencies
+    milestone: 7
     commit-message:
-      prefix: ci
-      include: scope
+      prefix: ci(gh-actions)
+
+  # Development Containers (/.devcontainer/devcontainer.json)
+  - package-ecosystem: devcontainers
+    directory: '/'
+    schedule:
+      interval: daily
+      time: '08:00'
+      timezone: Japan
+    labels:
+      - dependencies
+    milestone: 7
+    commit-message:
+      prefix: ci(devcontainer)

Directory.Build.props

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <!-- Meta Options -->
     <Authors>Nogic</Authors>
-    <Copyright>©2021-2023 Nogic</Copyright>
+    <Copyright>©2021-2024 Nogic</Copyright>
     <PackageProjectUrl>https://github.com/nogic1008/WritableOptions.Net</PackageProjectUrl>
     <RepositoryUrl>$(PackageProjectUrl)</RepositoryUrl>
     <RepositoryType>git</RepositoryType>

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021-2023 Nogic
+Copyright (c) 2021-2024 Nogic
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal