Generalize macOS arm64 platform name

_locales/de/messages.json

@@ -7,6 +7,10 @@
         "message": "Bedingungen & Datenschutzerklärung",
         "description": "Shown in the about box for the link to https://signal.org/legal"
     },
+    "appleSilicon": {
+      "message": "Apple Prozessoren",
+      "description": "Shown in the about box for Apple silicon product name"
+    },
     "copyErrorAndQuit": {
         "message": "Fehler kopieren und beenden",
         "description": "Shown in the top-level error popup, allowing user to copy the error text and close the app"

_locales/en/messages.json

@@ -7,6 +7,10 @@
     "message": "Terms & Privacy Policy",
     "description": "Shown in the about box for the link to https://signal.org/legal"
   },
+  "appleSilicon": {
+    "message": "Apple silicon",
+    "description": "Shown in the about box for Apple silicon product name"
+  },
   "copyErrorAndQuit": {
     "message": "Copy error and quit",
     "description": "Shown in the top-level error popup, allowing user to copy the error text and close the app"

_locales/ja/messages.json

@@ -7,6 +7,10 @@
         "message": "使用条件とプライバシーポリシー",
         "description": "Shown in the about box for the link to https://signal.org/legal"
     },
+    "appleSilicon": {
+        "message": "Appleシリコン",
+        "description": "Shown in the about box for Apple silicon product name"
+    },
     "copyErrorAndQuit": {
         "message": "エラーメッセージをコピーして終了します",
         "description": "Shown in the top-level error popup, allowing user to copy the error text and close the app"

ts/windows/about/preload.ts

@@ -24,7 +24,7 @@ contextBridge.exposeInMainWorld('SignalContext', {
     let platform = '';
     if (process.platform === 'darwin') {
       if (process.arch === 'arm64') {
-        platform = ' (M1)';
+        platform = ` (${SignalContext.i18n('appleSilicon')})`;
       } else {
         platform = ' (Intel)';
       }