feat(l10n): add Arabic and English labels for saved filters

- Add Arabic and English translations for "Followed" label
- Add new arb entries for saved filters bar
- Maintain existing translations for consistency

Author: fulleni

lib/l10n/app_localizations.dart

@@ -1903,6 +1903,12 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'Apply & Save'**
   String get applyFilterDialogApplyAndSaveButton;
+
+  /// Label for the 'Followed' chip in the saved filters bar.
+  ///
+  /// In en, this message translates to:
+  /// **'Followed'**
+  String get savedFiltersBarFollowedLabel;
 }
 
 class _AppLocalizationsDelegate

lib/l10n/app_localizations_ar.dart

@@ -999,4 +999,7 @@ class AppLocalizationsAr extends AppLocalizations {
 
   @override
   String get applyFilterDialogApplyAndSaveButton => 'تطبيق وحفظ';
+
+  @override
+  String get savedFiltersBarFollowedLabel => 'المتابَع';
 }

lib/l10n/app_localizations_en.dart

@@ -1000,4 +1000,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get applyFilterDialogApplyAndSaveButton => 'Apply & Save';
+
+  @override
+  String get savedFiltersBarFollowedLabel => 'Followed';
 }

lib/l10n/arb/app_ar.arb

@@ -1309,5 +1309,9 @@
     "applyFilterDialogApplyAndSaveButton": "تطبيق وحفظ",
     "@applyFilterDialogApplyAndSaveButton": {
         "description": "Button text to apply and save the filter for future use."
+    },
+    "savedFiltersBarFollowedLabel": "المتابَعات",
+    "@savedFiltersBarFollowedLabel": {
+        "description": "Label for the 'Followed' chip in the saved filters bar."
     }
 }

lib/l10n/arb/app_en.arb

@@ -1309,5 +1309,9 @@
     "applyFilterDialogApplyAndSaveButton": "Apply & Save",
     "@applyFilterDialogApplyAndSaveButton": {
         "description": "Button text to apply and save the filter for future use."
+    },
+    "savedFiltersBarFollowedLabel": "Followed",
+    "@savedFiltersBarFollowedLabel": {
+        "description": "Label for the 'Followed' chip in the saved filters bar."
     }
 }