feat: Update file_system littlefs dependency to 1.20.1 (#562)

Author: finger563

components/file_system/idf_component.yml

@@ -17,5 +17,5 @@ tags:
 dependencies:
   idf:
     version: '>=5.0'
-  joltwallet/littlefs: '1.19.2'
+  joltwallet/littlefs: '1.20.1'
   espp/base_component: '>=1.0'