build: add renovate config

The advantage of this will be to get notifications whenever eslint configs get updates, therefore being able to track new rules easier.

Author: christopher-buss

renovate.json

@@ -0,0 +1,16 @@
+{
+	"$schema": "https://docs.renovatebot.com/renovate-schema.json",
+	"extends": [
+		"config:recommended",
+		":pinAllExceptPeerDependencies",
+		"helpers:pinGitHubActionDigests",
+		"npm:unpublishSafe"
+	],
+	"packageRules": [
+		{
+			"matchDepTypes": ["devDependencies"],
+			"automerge": true
+		}
+	]
+
+}