Add cosign for handling image functionality. (#134)

* pull back in ocil
* updates to OCIL funcs to handle cosign changes
* add cosign logic
* adjust Makefile to be a little more generic
* cli updates to accomodate the cosign additions
* add cosign drop-in funcs
* impl for cosign functions for images & store copy
* fixes and logging for cosign verify <iamge>
* fix cosign verify logging
* update go.mod

Signed-off-by: Adam Martin <adam.martin@rancherfederal.com>

internal/mapper/mappers.go

@@ -6,7 +6,7 @@ import (
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
 	"oras.land/oras-go/pkg/target"
 
-	"github.com/rancherfederal/ocil/pkg/consts"
+	"github.com/rancherfederal/hauler/pkg/consts"
 )
 
 type Fn func(desc ocispec.Descriptor) (string, error)
@@ -39,7 +39,7 @@ func Images() map[string]Fn {
 		return "manifest.json", nil
 	})
 
-	for _, l := range []string{consts.DockerManifestSchema2, consts.OCIManifestSchema1} {
+	for _, l := range []string{consts.DockerManifestSchema2, consts.DockerManifestListSchema2, consts.OCIManifestSchema1} {
 		m[l] = manifestMapperFn
 	}