chore: enable renovate correctly

https://docs.renovatebot.com/configuration-options/#forkprocessing

Author: JounQin

.renovaterc

@@ -0,0 +1,13 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "github>1stG/configs"
+  ],
+  "forkProcessing": "enabled",
+  "ignoreDeps": [
+    "@types/eslint8.56",
+    "eslint8.56",
+    "eslint-plugin-unicorn",
+    "tinyexec"
+  ]
+}