Imports of package provenance

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/containerd/containerd/platforms
github.com/docker/distribution/referencePackage reference is deprecated, and has moved to github.com/distribution/reference.
github.com/in-toto/in-toto-golang/in_toto/slsa_provenance/common
github.com/in-toto/in-toto-golang/in_toto/slsa_provenance/v0.2
github.com/moby/buildkit/solver
github.com/moby/buildkit/solver/pb
github.com/moby/buildkit/solver/result
github.com/moby/buildkit/util/purl
github.com/moby/buildkit/util/urlutil
github.com/opencontainers/go-digestPackage digest provides a generalized type to opaquely represent message digests and their operations within the registry.
github.com/opencontainers/image-spec/specs-go/v1
github.com/package-url/packageurl-goPackage packageurl implements the package-url spec
github.com/pkg/errorsPackage errors provides simple error handling primitives.
sortPackage sort provides primitives for sorting slices and user-defined collections.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.