feat: cli option to enable the new action cache (#1954)

* Enable the new action cache

* fix

* fix: CopyTarStream (Docker)

* suppress panic in test

* add a cli option for opt in

* fixups

* add package

* fix

* rc.Config nil in test???

* add feature flag

* patch

* Fix respect --action-cache-path

Co-authored-by: Björn Brauer <zaubernerd@zaubernerd.de>

* add remote reusable workflow to ActionCache

* fixup

---------

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

cmd/input.go

@@ -57,6 +57,7 @@ type Input struct {
 	actionCachePath                    string
 	logPrefixJobID                     bool
 	networkName                        string
+	useNewActionCache                  bool
 }
 
 func (i *Input) resolve(path string) string {