chore(renovate): fix schema (prPriority placement)

Moves prPriority out of vulnerabilityAlerts (only allowed in packageRules per schema).
Fixes the recurring 'Found renovate config warnings' issue.

renovate.json

@@ -26,8 +26,8 @@
         },
         {
             "description": "TypeScript type definitions stay grouped with each other",
-            "matchPackagePrefixes": ["@types/"],
+            "groupName": "type definitions",
-            "groupName": "type definitions"
+            "matchPackageNames": ["@types/{/,}**"]
         },
         {
             "description": "Dev dependencies in their own group",
@@ -43,8 +43,7 @@
     ],
     "vulnerabilityAlerts": {
         "labels": ["security", "vulnerability"],
-        "schedule": ["at any time"],
+        "schedule": ["at any time"]
-        "prPriority": 10
     },
     "lockFileMaintenance": {
         "enabled": true,