chore(renovate): bump examples using crossplane manager

Signed-off-by: Philippe Scorsolini <p.scorsolini@gmail.com>

renovate.json

@@ -2,5 +2,15 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:recommended"
+  ],
+  "crossplane": {
+    "fileMatch": ["(^|/)example/.*\\.ya?ml$"]
+  },
+  "packageRules": [
+    {
+      "matchManagers": ["crossplane"],
+      "matchFileNames": ["example/**"],
+      "groupName": "examples"
+    }
   ]
 }