chore: upgrade i18next 26, prettier 3, fontsource-variable, domhandler 6, lint-staged 17

- i18next 23->26 + react-i18next 15->17
- prettier 2->3, reformat all files
- replace @fontsource/inter with @fontsource-variable/inter 5, update import path
- domhandler 5->6 (aligns with transitive deps)
- lint-staged 16->17

src/app/features/common-settings/permissions/PowersEditor.tsx

@@ -228,7 +228,7 @@ function EditPower({ maxPower, power, tag, onSave, onClose }: EditPowerProps) {
                         onClick={
                           ((evt) =>
                             setCords(
-                              evt.currentTarget.getBoundingClientRect()
+                              evt.currentTarget.getBoundingClientRect(),
                             )) as MouseEventHandler<HTMLButtonElement>
                         }
                         type="button"
@@ -324,7 +324,7 @@ export function PowersEditor({ powerLevels, requestClose }: PowersEditorProps) {
         return editedTags;
       });
     },
-    [powerLevelTags]
+    [powerLevelTags],
   );
 
   const [applyState, applyChanges] = useAsyncCallback(
@@ -334,7 +334,7 @@ export function PowersEditor({ powerLevels, requestClose }: PowersEditorProps) {
         delete content[power];
       });
       await mx.sendStateEvent(room.roomId, StateEvent.PowerLevelTags as any, content);
-    }, [mx, room, powerLevelTags, editedPowerTags, deleted])
+    }, [mx, room, powerLevelTags, editedPowerTags, deleted]),
   );
 
   const resetChanges = useCallback(() => {