ci: Add renovate.json (#574)

Author: SMadani

.github/renovate.json

@@ -0,0 +1,14 @@
+{
+  "extends": ["config:base"],
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["patch", "pin", "digest"],
+      "automerge": true
+    },
+    {
+      "matchPackagePatterns": [".*"],
+      "dependencyDashboardApproval": true,
+      "automerge": false
+    }
+  ]
+}