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/version/wasm.go

@@ -0,0 +1,13 @@
+// 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 version
+
+import "github.com/open-policy-agent/opa/internal/rego/opa"
+
+// WasmRuntimeAvailable indicates if a wasm runtime is available in this OPA.
+func WasmRuntimeAvailable() bool {
+	_, err := opa.LookupEngine("wasm")
+	return err == nil
+}