Update module github.com/prometheus/client_golang to v1.19.1

vendor/github.com/golang/protobuf/proto/proto.go

vendor/github.com/golang/protobuf/proto/registry.go

vendor/github.com/golang/protobuf/proto/text_decode.go

vendor/github.com/golang/protobuf/proto/text_encode.go

vendor/github.com/golang/protobuf/proto/wire.go

vendor/github.com/golang/protobuf/proto/wrappers.go

vendor/github.com/golang/protobuf/ptypes/any.go

vendor/github.com/golang/protobuf/ptypes/any/any.pb.go

vendor/github.com/golang/protobuf/ptypes/doc.go

vendor/github.com/golang/protobuf/ptypes/duration.go

...github.com/golang/protobuf/ptypes/duration/duration.pb.go

vendor/github.com/golang/protobuf/ptypes/timestamp.go

...thub.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go

.../github.com/matttproud/golang_protobuf_extensions/LICENSE

...r/github.com/matttproud/golang_protobuf_extensions/NOTICE

...m/matttproud/golang_protobuf_extensions/pbutil/.gitignore

...com/matttproud/golang_protobuf_extensions/pbutil/Makefile

...om/matttproud/golang_protobuf_extensions/pbutil/decode.go

...thub.com/prometheus/client_golang/prometheus/collector.go

...github.com/prometheus/client_golang/prometheus/counter.go