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>

pkg/runner/runner.go

@@ -59,6 +59,7 @@ type Config struct {
 	ReplaceGheActionTokenWithGithubCom string                       // Token of private action repo on GitHub.
 	Matrix                             map[string]map[string]bool   // Matrix config to run
 	ContainerNetworkMode               docker_container.NetworkMode // the network mode of job containers (the value of --network)
+	ActionCache                        ActionCache                  // Use a custom ActionCache Implementation
 }
 
 type caller struct {