soju: create /run/soju on startup

The default configuration file now contains

	listen unix+admin://

which defaults to /run/soju/admin, the directory thus needs to exist.

srcpkgs/soju/files/soju/run

@@ -1,4 +1,6 @@
 #!/bin/sh
 exec 2>&1
 [ -r conf ] && . ./conf
+mkdir -p /run/soju
+chown _soju:_soju /run/soju
 exec chpst -u _soju soju ${OPTS}

srcpkgs/soju/template

@@ -1,7 +1,7 @@
 # Template file for 'soju'
 pkgname=soju
 version=0.9.0
-revision=2
+revision=3
 build_style=go
 go_import_path="codeberg.org/emersion/soju"
 go_package="./cmd/... ./contrib/..."