Test Go unstable version 1.27rc2

See the draft release notes: https://tip.golang.org/doc/go1.27.

Author: arnested

go.mod

@@ -1,6 +1,6 @@
 module github.com/arnested/systemd-state
 
-go 1.26.5
+go 1.27rc2
 
 require (
 	github.com/coreos/go-systemd/v22 v22.7.0