docs: update the location of the extraction directory for deno compile --self-extracting (#2961)

Co-authored-by: Jo Franchetti <jofranchetti@gmail.com>

Author: uki00a

runtime/reference/cli/compile.md

@@ -152,7 +152,7 @@ addons or native code that reads relative files.
 
 The extraction directory is chosen in order of preference:
 
-1. `<exe_dir>/<exe_name>.fs/<hash>/` (next to the compiled binary)
+1. `<exe_dir>/.<exe_name>/<hash>/` (next to the compiled binary)
 2. Platform data directory fallback:
    - Linux: `$XDG_DATA_HOME/<exe_name>/<hash>` or
      `~/.local/share/<exe_name>/<hash>`