chore(renovate): use shared org config preset (#495)

Replace inline Renovate settings with the shared
rhel-lightspeed/renovate-config preset. Only repo-specific
rules remain: Python in-range-only strategy and npm grouping.

Signed-off-by: Major Hayden <major@redhat.com>

Author: major

renovate.json

@@ -1,21 +1,11 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": ["config:recommended"],
-  "labels": ["dependencies"],
-  "minimumReleaseAge": "7 days",
-  "vulnerabilityAlerts": {
-    "labels": ["security"],
-    "minimumReleaseAge": "0 days"
-  },
+  "extends": ["github>rhel-lightspeed/renovate-config"],
   "packageRules": [
     {
       "matchManagers": ["pep621", "pip_requirements", "pip-compile", "poetry", "pipenv"],
       "rangeStrategy": "in-range-only"
     },
-    {
-      "matchDepNames": ["python"],
-      "enabled": false
-    },
     {
       "matchManagers": ["npm"],
       "groupName": "mcp-app npm dependencies",