Add python wheel egg relationships (#2903)

* add python package relationships

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

* nil for empty relationships collections

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

* new json schema for optional python requiremenets

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

* update format snapshots for python packages

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

* decompose python parsers more + add tests around plural fields

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

* update JSON schema with python dep refs

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

---------

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

schema/json/schema-latest.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
-  "$id": "anchore.io/schema/syft/json/16.0.10/document",
+  "$id": "anchore.io/schema/syft/json/16.0.11/document",
   "$ref": "#/$defs/Document",
   "$defs": {
     "AlpmDbEntry": {
@@ -1973,6 +1973,21 @@
         },
         "directUrlOrigin": {
           "$ref": "#/$defs/PythonDirectURLOriginInfo"
+        },
+        "requiresPython": {
+          "type": "string"
+        },
+        "requiresDist": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "providesExtra": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
         }
       },
       "type": "object",