Configure Renovate (#13)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Leon Yang <yangxin@pingcap.com>

Author: renovate[bot]

.gitignore

@@ -128,3 +128,5 @@ out
 .yarn/build-state.yml
 .yarn/install-state.gz
 .pnp.*
+
+.idea/

renovate.json

@@ -0,0 +1,15 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:base"],
+  "labels": ["dependencies"],
+  "vulnerabilityAlerts": {
+    "enabled": true
+  },
+  "packageRules": [
+    {
+      "enabled": false,
+      "matchPackagePatterns": ["*"]
+    }
+  ],
+  "baseBranches": ["main", "/^release\\/.*/"]
+}