[frontend][deps] update frontend dependencies and note in README on how to do that

README.md

@@ -27,6 +27,9 @@ cargo tauri build --profile release-lto # also bundles everything into a nice pl
 
 # on wayland you probably need to set this env var
 WEBKIT_DISABLE_DMABUF_RENDERER=1
+
+# update frontend dependencies
+deno outdated --update --latest
 ```
 
 #### Backend