Clarify PR merge action labels (#1608)

* fix: disambiguate merge PR action labels (squash/merge/rebase)

* Clarify PR merge method labels

* Address merge label review feedback

---------

Co-authored-by: Matt Cowger <matt@cowger.us>

packages/app/src/i18n/resources/zh-CN.ts

@@ -602,16 +602,16 @@ export const zhCN: TranslationResources = {
           success: "已归档",
         },
         mergePr: {
-          squash: "Merge",
-          merge: "Merge",
-          rebase: "Merge",
+          squash: "Merge PR (squash)",
+          merge: "Merge PR (merge)",
+          rebase: "Merge PR (rebase)",
           pending: "正在 merge PR...",
           success: "PR 已 merge",
         },
         autoMerge: {
-          enableSquash: "Auto merge",
-          enableMerge: "Auto merge",
-          enableRebase: "Auto merge",
+          enableSquash: "Auto merge (squash)",
+          enableMerge: "Auto merge (merge)",
+          enableRebase: "Auto merge (rebase)",
           enabled: "Auto-merge 已启用",
           enabling: "正在启用 auto-merge...",
           disabling: "正在禁用 auto-merge...",