chore(deps): hold cel-go below 0.32.0

cel-go 0.32.0 moved to the cel.dev/cel-go module path. The k8s.io/apiserver
module still imports the old path, so go mod tidy fails. This repository has
no direct cel-go imports. Remove the cap when k8s.io/apiserver moves to the
new path.

renovate.json

@@ -0,0 +1,9 @@
+{
+  "packageRules": [
+    {
+      "matchManagers": ["gomod"],
+      "matchPackageNames": ["github.com/google/cel-go"],
+      "allowedVersions": "<0.32.0"
+    }
+  ]
+}