chore(python): disable dependency dashboard (#266)

diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index a9fcd07..b75186c 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-python:latest
-  digest: sha256:9743664022bd63a8084be67f144898314c7ca12f0a03e422ac17c733c129d803
+  digest: sha256:d6761eec279244e57fe9d21f8343381a01d3632c034811a72f68b83119e58c69
diff --git a/renovate.json b/renovate.json
index c048955..9fa8816 100644
--- a/renovate.json
+++ b/renovate.json
@@ -1,6 +1,8 @@
 {
   "extends": [
-    "config:base",  ":preserveSemverRanges"
+    "config:base",
+    ":preserveSemverRanges",
+    ":disableDependencyDashboard"
   ],
   "ignorePaths": [".pre-commit-config.yaml"],
   "pip_requirements": {