Add --url-query completion for curl (fish-shell#10332)

Add missing completion for curl's `--url-query` option

Author: zuisong

share/completions/curl.fish

@@ -232,3 +232,4 @@ complete -c curl -l eprt -l no-eprt -d 'for --disable-eprt'
 complete -c curl -l epsv -l no-epsv -d 'for --disable-epsv'
 complete -c curl -l max-redir -d 'Set maximum number of redirects'
 complete -c curl -l xattr -d 'Store metadata in xattrs (like origin URL)'
+complete -c curl -l url-query -d '(HTTP) Add a URL query part'