Upgrade dependent version: github.com/open-policy-agent/opa (#5315)

Upgrade dependent version: github.com/open-policy-agent/opa v0.18.0 -> v0.45.0

Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>

Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>

vendor/github.com/open-policy-agent/opa/topdown/uuid.go

@@ -0,0 +1,36 @@
+// Copyright 2020 The OPA Authors.  All rights reserved.
+// Use of this source code is governed by an Apache2
+// license that can be found in the LICENSE file.
+
+package topdown
+
+import (
+	"github.com/open-policy-agent/opa/ast"
+	"github.com/open-policy-agent/opa/internal/uuid"
+)
+
+type uuidCachingKey string
+
+func builtinUUIDRFC4122(bctx BuiltinContext, args []*ast.Term, iter func(*ast.Term) error) error {
+
+	var key = uuidCachingKey(args[0].Value.String())
+
+	val, ok := bctx.Cache.Get(key)
+	if ok {
+		return iter(val.(*ast.Term))
+	}
+
+	s, err := uuid.New(bctx.Seed)
+	if err != nil {
+		return err
+	}
+
+	result := ast.NewTerm(ast.String(s))
+	bctx.Cache.Put(key, result)
+
+	return iter(result)
+}
+
+func init() {
+	RegisterBuiltinFunc(ast.UUIDRFC4122.Name, builtinUUIDRFC4122)
+}