feat: include repository affected packages are sourced from as an ecosystem suffix (#158)

This should make it possible for folks like GitHub to ingest our
advisories and in turn have tools like dependabot do automatic updates,
as while they technically use OSV as their advisory format, they rely a
lot more heavily on the ecosystem for matching packages to their sources

Author: G-Rath

advisories/access_code/DRUPAL-CONTRIB-2025-028.json

@@ -10,7 +10,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/access_code"
       },
       "severity": [],

advisories/access_code/DRUPAL-CONTRIB-2025-108.json

@@ -10,7 +10,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/access_code"
       },
       "severity": [],

advisories/acl/DRUPAL-CONTRIB-2023-034.json

@@ -8,7 +8,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/acl"
       },
       "severity": [],

advisories/acquia_connector/DRUPAL-CONTRIB-2019-014.json

@@ -8,7 +8,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/acquia_connector"
       },
       "severity": [],

advisories/acquia_dam/DRUPAL-CONTRIB-2024-025.json

@@ -10,7 +10,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/acquia_dam"
       },
       "severity": [],

advisories/acquia_dam/DRUPAL-CONTRIB-2025-105.json

@@ -10,7 +10,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/acquia_dam"
       },
       "severity": [],

advisories/addtoany/DRUPAL-CONTRIB-2019-039.json

@@ -8,7 +8,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/addtoany"
       },
       "severity": [],

advisories/addtoany/DRUPAL-CONTRIB-2023-018.json

@@ -8,7 +8,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/addtoany"
       },
       "severity": [],

advisories/addtoany/DRUPAL-CONTRIB-2023-019.json

@@ -8,7 +8,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/addtoany"
       },
       "severity": [],

advisories/admin_audit_trail/DRUPAL-CONTRIB-2025-068.json

@@ -10,7 +10,7 @@
   "affected": [
     {
       "package": {
-        "ecosystem": "Packagist",
+        "ecosystem": "Packagist:https://packages.drupal.org/8",
         "name": "drupal/admin_audit_trail"
       },
       "severity": [],