nixos/searxng: limiter.toml reference moved

searxng/searxng@fd814aa#diff-c33cdfa4503c019bc49259acad45fc0a895a127b20ae3ffefaa12b7c439d4aa2

Author: Aadniz

nixos/modules/services/networking/searx.nix

@@ -138,7 +138,7 @@ in
 
           ::: {.note}
           For available settings, see the SearXNG
-          [schema file](https://github.com/searxng/searxng/blob/master/searx/botdetection/limiter.toml).
+          [schema file](https://github.com/searxng/searxng/blob/master/searx/limiter.toml).
           :::
         '';
       };