Bump to v5.7.0

    add comment on CVE-2020-15157
    Bump github.com/containers/storage from 1.23.5 to 1.23.6
    Search credentials under XDG_CONFIG_HOME
    Bump github.com/klauspost/compress from 1.11.0 to 1.11.1
    Use $DOCKER_CONFIG/config.json to match the docker CLI.
    Bump github.com/sirupsen/logrus from 1.6.0 to 1.7.0
    Regenerate oci/layout fixture certificates
    Extend the lifetime of test certificates to 10 years
    Set default rootless sigstore
    Update copier/imagecopier to fix race
    Fix problems found by codespell

Signed-off-by: Daniel J Walsh <[email protected]>

version/version.go

@@ -6,12 +6,12 @@ const (
 	// VersionMajor is for an API incompatible changes
 	VersionMajor = 5
 	// VersionMinor is for functionality in a backwards-compatible manner
-	VersionMinor = 6
+	VersionMinor = 7
 	// VersionPatch is for backwards-compatible bug fixes
-	VersionPatch = 1
+	VersionPatch = 0
 
 	// VersionDev indicates development branch. Releases will be empty string.
-	VersionDev = "-dev"
+	VersionDev = ""
 )
 
 // Version is the specification version that the package types support.