Some vulnerable dependencies upgraded

* golang.org/x/net to v0.8.0
* golang.org/x/crypto to v0.0.0-20220314234659-1baeb1ce4c0b
* github.com/aws/aws-sdk-go to v1.34.0
* github.com/prometheus/client_golang to v1.14.0
* k8s.io/client-go to v0.23.0

vendor/github.com/json-iterator/go/reflect_struct_decoder.go

@@ -1075,6 +1075,11 @@ type stringModeNumberDecoder struct {
 }
 
 func (decoder *stringModeNumberDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
+	if iter.WhatIsNext() == NilValue {
+		decoder.elemDecoder.Decode(ptr, iter)
+		return
+	}
+
 	c := iter.nextToken()
 	if c != '"' {
 		iter.ReportError("stringModeNumberDecoder", `expect ", but found `+string([]byte{c}))