Block renovate pull requests

Pending fix of #59

Author: MarkEWaite

.github/renovate.json

@@ -5,6 +5,10 @@
     "config:base",
     ":semanticCommitsDisabled"
   ],
+  "packageRules": [
+    "matchPackageNames": ["org.apache.httpcomponents.client5:http**"],
+    "allowedVersions": ["<5.4"]
+  ],
   "reviewers": [
     "team:apache-httpcomponents-client-5-api-plugin-developers"
   ],