Update script-usage.mdx

Author: userdocs

docs/src/content/docs/script-usage.mdx

@@ -48,5 +48,5 @@ For example, to use `ICU` using `-i`, optimise for the host system CPU using `-o
 Same as previous command but using `env` settings
 
 ```bash
-qbt_libtorrent_tag="v1.2.19" qbt_skip_icu="yes" qbt_optimise_strip="yes" qbt_optimize="-march=native" ./qbt-nox-static.sh all
+qbt_libtorrent_tag="v1.2.19" qbt_skip_icu="yes" qbt_optimise_strip="yes" qbt_optimize="-march=native" ./qbittorrent-nox-static.sh all
 ```