feat: SELinux lables for --bind (#906)

pkg/runner/run_context.go

@@ -17,6 +17,8 @@ import (
 	"github.com/mitchellh/go-homedir"
 	log "github.com/sirupsen/logrus"
 
+	selinux "github.com/opencontainers/selinux/go-selinux"
+
 	"github.com/nektos/act/pkg/common"
 	"github.com/nektos/act/pkg/container"
 	"github.com/nektos/act/pkg/model"
@@ -90,6 +92,9 @@ func (rc *RunContext) GetBindsAndMounts() ([]string, map[string]string) {
 		if runtime.GOOS == "darwin" {
 			bindModifiers = ":delegated"
 		}
+		if selinux.GetEnabled() {
+			bindModifiers = ":z"
+		}
 		binds = append(binds, fmt.Sprintf("%s:%s%s", rc.Config.Workdir, rc.Config.ContainerWorkdir(), bindModifiers))
 	} else {
 		mounts[name] = rc.Config.ContainerWorkdir()