TF-1982 Change mailboxes label to folder

(cherry picked from commit b909124c9f5016df6b82ed9316491a57f0380008)

lib/l10n/intl_messages.arb

@@ -1,5 +1,5 @@
 {
-  "@@last_modified": "2023-08-04T21:19:31.613036",
+  "@@last_modified": "2023-08-08T20:09:51.612589",
   "initializing_data": "Initializing data...",
   "@initializing_data": {
     "type": "text",
@@ -126,8 +126,8 @@
     "placeholders_order": [],
     "placeholders": {}
   },
-  "personalMailboxes": "Personal mailboxes",
-  "@personalMailboxes": {
+  "personalFolders": "Personal folders",
+  "@personalFolders": {
     "type": "text",
     "placeholders_order": [],
     "placeholders": {}
@@ -3092,6 +3092,12 @@
     "placeholders_order": [],
     "placeholders": {}
   },
+  "deleteAllSpamEmailsNow": "Delete all spam emails now",
+  "@deleteAllSpamEmailsNow": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
+  },
   "quotaStateLabel": "{used} of {limit} Used",
   "@quotaStateLabel": {
     "type": "text",