Merge pull request #230 from parca-dev/renovate

Use renovate and remove dependabot for our docs

Author: metalmatze

.github/dependabot.yaml

@@ -0,0 +1,4 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["github>parca-dev/.github"]
+}