feat: add skipped status as step result (nektos#950)

Github sets the outcome and conclusion to skipped
and this PR does the same during the pipeline run for
the StepResults in act.

Co-authored-by: Björn Brauer <bjoern.brauer@new-work.se>

Co-authored-by: Björn Brauer <bjoern.brauer@new-work.se>

Author: KnisterPeter

pkg/model/step_result.go

@@ -7,11 +7,13 @@ type stepStatus int
 const (
 	StepStatusSuccess stepStatus = iota
 	StepStatusFailure
+	StepStatusSkipped
 )
 
 var stepStatusStrings = [...]string{
 	"success",
 	"failure",
+	"skipped",
 }
 
 func (s stepStatus) MarshalText() ([]byte, error) {

pkg/runner/run_context.go

@@ -326,6 +326,8 @@ func (rc *RunContext) newStepExecutor(step *model.Step) common.Executor {
 
 		if !runStep {
 			log.Debugf("Skipping step '%s' due to '%s'", sc.Step.String(), sc.Step.If.Value)
+			rc.StepResults[rc.CurrentStep].Conclusion = model.StepStatusSkipped
+			rc.StepResults[rc.CurrentStep].Outcome = model.StepStatusSkipped
 			return nil
 		}