Add canCreateChannel translations for en-US and ja-JP

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

locales/en-US.yml

@@ -2096,6 +2096,7 @@ _role:
     canSearchNotes: "Usage of note search"
     canSearchUsers: "User search"
     canUseTranslator: "Translator usage"
+    canCreateChannel: "Can create channels"
     avatarDecorationLimit: "Maximum number of avatar decorations"
     canImportAntennas: "Can import antennas"
     canImportBlocking: "Can import blocking"

locales/ja-JP.yml

@@ -2121,6 +2121,7 @@ _role:
     canSearchNotes: "ノート検索の利用"
     canSearchUsers: "ユーザー検索の利用"
     canUseTranslator: "翻訳機能の利用"
+    canCreateChannel: "チャンネルの作成"
     avatarDecorationLimit: "アイコンデコレーションの最大取付個数"
     canImportAntennas: "アンテナのインポートを許可"
     canImportBlocking: "ブロックのインポートを許可"