Add rf-protocols to renovate allowlist (#170944)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.github/renovate.json

@@ -128,7 +128,8 @@
         "home-assistant-bluetooth",
         "home-assistant-frontend",
         "home-assistant-intents",
-        "infrared-protocols"
+        "infrared-protocols",
+        "rf-protocols"
       ],
       "enabled": true,
       "minimumReleaseAge": null,