ci: Run the style-check pipeline stage first
ci: Run the style-check pipeline stage first

Don’t waste CI resources on compiling things which don’t comply with the
style rules.

Signed-off-by: Philip Withnall <29c2a2ac2a854b9cf047275aa9de346d096be2e0@endlessm.com>

endlessm/glib,endlessm/glib,endlessm/glib,endlessm/glib,endlessm/glib