feat: support offline mode (#2128)

* Add: Actions Offline Mode

* Add: Actions Offline Mode

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Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

cmd/input.go

@@ -55,6 +55,7 @@ type Input struct {
 	replaceGheActionTokenWithGithubCom string
 	matrix                             []string
 	actionCachePath                    string
+	actionOfflineMode                  bool
 	logPrefixJobID                     bool
 	networkName                        string
 	useNewActionCache                  bool