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/internal/debug/debug.go

@@ -0,0 +1,36 @@
+package debug
+
+import (
+	"io"
+	"io/ioutil"
+	"log"
+)
+
+// Debug allows printing debug messages.
+type Debug interface {
+	// Printf prints, with a short file:line-number prefix
+	Printf(format string, args ...interface{})
+	// Writer returns the writer being written to, which may be
+	// `ioutil.Discard` if no debug output is requested.
+	Writer() io.Writer
+
+	// Output allows tweaking the calldepth used for figuring
+	// out which Go source file location is the interesting one,
+	// i.e., which is included in the debug message. Useful for
+	// setting up local helper methods.
+	Output(calldepth int, s string) error
+}
+
+// New returns a new `Debug` outputting to the passed `sink`.
+func New(sink io.Writer) Debug {
+	flags := log.Lshortfile
+	return log.New(sink, "", flags)
+}
+
+// Discard returns a new `Debug` that doesn't output anything.
+// Note: We're not implementing the methods here with noop stubs
+// since doing this way, we can propagate the "discarding" via
+// `(Debug).Writer()`.
+func Discard() Debug {
+	return New(ioutil.Discard)
+}