recipes.cfg: Fix forbidden warnings

Change-Id: I823ff405e2149d2dda835b99fc94f82b484f0783
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/238153
Commit-Queue: Rob Mohr <mohrr@google.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Reviewed-by: Oliver Newman <olivernewman@google.com>
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index aeddeec..55fa30f 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -28,11 +28,11 @@
   },
   "enforce_test_expected_status": true,
   "forbidden_warnings": [
-    "CHECKOUT_DIR_DEPRECATED",
-    "CQ_MODULE_DEPRECATED",
-    "JSON_READ_DEPRECATED",
-    "PYTHON2_DEPRECATED",
-    "STEP_NEST_NAME_REQUIRED"
+    "recipe_engine/CHECKOUT_DIR_DEPRECATED",
+    "recipe_engine/CQ_MODULE_DEPRECATED",
+    "recipe_engine/JSON_READ_DEPRECATED",
+    "recipe_engine/PYTHON2_DEPRECATED",
+    "recipe_engine/STEP_NEST_NAME_REQUIRED"
   ],
   "no_docs": true,
   "project_id": "pigweed",