Merge pull request #418 from anchore/add-all-pkg-metadata-types

Add all package metadata types slice for use in downstream testing

syft/pkg/metadata.go

@@ -16,3 +16,15 @@ const (
 	RustCargoPackageMetadataType MetadataType = "RustCargoPackageMetadata"
 	KbPackageMetadataType        MetadataType = "KbPackageMetadata"
 )
+
+var AllMetadataTypes = []MetadataType{
+	ApkMetadataType,
+	DpkgMetadataType,
+	GemMetadataType,
+	JavaMetadataType,
+	NpmPackageJSONMetadataType,
+	RpmdbMetadataType,
+	PythonPackageMetadataType,
+	RustCargoPackageMetadataType,
+	KbPackageMetadataType,
+}