Remove MetadataType from core package object and normalize JSON metadataType values (#1983)

* [wip]

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* distinct the package metadata functions

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* remove metadata type from package core model

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* incorporate review feedback for names

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add RPM archive metadata and split parser helpers

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* clarify the python package metadata type

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* rename the KB metadata type

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* break hackage and composer types by use case

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* linting fix

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix encoding and decoding for syft-json and cyclonedx

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* bump json schema to 11

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update cyclonedx-json snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update cyclonedx-xml snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update spdx-json snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update spdx-tv snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update syft-json snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* correct metadata type in stack yaml parser test

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix bom-ref redactor for cyclonedx-xml

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add tests for legacy package metadata names

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* regenerate json schema v11

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix legacy HackageMetadataType reflect type value check

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix linting

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* packagemetadata discovery should account for type shadowing

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix linting

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix cli tests

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* bump json schema version to v12

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update json schema to incorporate changes from main

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add syft-json legacy config option

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add tests around v11-v12 json decoding

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add docs for SYFT_JSON_LEGACY

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* rename structs to be compliant with new naming scheme

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

---------

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

syft/format/syftjson/test-fixtures/snapshot/TestDirectoryEncoder.golden

@@ -1,7 +1,7 @@
 {
  "artifacts": [
   {
-   "id": "9265397e5e15168a",
+   "id": "fb6bef15e281ea43",
    "name": "package-1",
    "version": "1.0.1",
    "type": "python",
@@ -25,7 +25,7 @@
     "cpe:2.3:*:some:package:2:*:*:*:*:*:*:*"
    ],
    "purl": "a-purl-2",
-   "metadataType": "PythonPackageMetadata",
+   "metadataType": "python-package",
    "metadata": {
     "name": "package-1",
     "version": "1.0.1",
@@ -41,7 +41,7 @@
    }
   },
   {
-   "id": "ad5013466727018f",
+   "id": "39392bb5e270f669",
    "name": "package-2",
    "version": "2.0.1",
    "type": "deb",
@@ -57,7 +57,7 @@
     "cpe:2.3:*:some:package:2:*:*:*:*:*:*:*"
    ],
    "purl": "pkg:deb/debian/package-2@2.0.1",
-   "metadataType": "DpkgMetadata",
+   "metadataType": "dpkg-db-entry",
    "metadata": {
     "package": "package-2",
     "source": "",