j4status: Adapt to upstream changes

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>
j4status-plugins: Add scm (masked)

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>
i3ipc-glib: Adapt to upstream changes

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>