fix: remove use of pkg/errors

Signed-off-by: Philip Laine <philip.laine@gmail.com>

src/pkg/utils/cosign.go

@@ -6,6 +6,7 @@ package utils
 
 import (
  "context"
+ "errors"
  "fmt"
  "io"
  "strings"
@@ -14,10 +15,6 @@ import (
  "github.com/google/go-containerregistry/pkg/authn"
  "github.com/google/go-containerregistry/pkg/name"
  "github.com/google/go-containerregistry/pkg/v1/remote"
- "github.com/pkg/errors"
- "github.com/zarf-dev/zarf/src/config/lang"
- "github.com/zarf-dev/zarf/src/pkg/message"
-
  "github.com/sigstore/cosign/v2/cmd/cosign/cli/fulcio"
  "github.com/sigstore/cosign/v2/cmd/cosign/cli/options"
  "github.com/sigstore/cosign/v2/cmd/cosign/cli/sign"
@@ -31,6 +28,9 @@ import (
  _ "github.com/sigstore/sigstore/pkg/signature/kms/azure"
  _ "github.com/sigstore/sigstore/pkg/signature/kms/gcp"
  _ "github.com/sigstore/sigstore/pkg/signature/kms/hashivault"
+
+ "github.com/zarf-dev/zarf/src/config/lang"
+ "github.com/zarf-dev/zarf/src/pkg/message"
 )
 
 // Sget performs a cosign signature verification on a given image using the specified public key.