Fix yaml with prefixed newline broken setjob + yaml v4 (#144)

* go-yaml v3 **and** v4 workaround
* avoid yaml.Marshal broken indention

Co-authored-by: Lunny Xiao <[email protected]>
Reviewed-on: https://gitea.com/gitea/act/pulls/144
Reviewed-by: wxiaoguang <[email protected]>
Reviewed-by: Zettat123 <[email protected]>
Co-authored-by: Christopher Homberger <[email protected]>
Co-committed-by: Christopher Homberger <[email protected]>

pkg/model/action.go

@@ -5,7 +5,7 @@ import (
 	"io"
 	"strings"
 
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 )
 
 // ActionRunsUsing is the type of runner for the action

pkg/model/workflow.go

@@ -10,7 +10,7 @@ import (
 	"strings"
 
 	log "github.com/sirupsen/logrus"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/nektos/act/pkg/common"
 )