Update module github.com/prometheus/client_golang to v1.16.0

go.mod

go.sum

vendor/github.com/cespare/xxhash/v2/README.md

vendor/github.com/cespare/xxhash/v2/testall.sh

vendor/github.com/cespare/xxhash/v2/xxhash.go

vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s

vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s

vendor/github.com/cespare/xxhash/v2/xxhash_asm.go

vendor/github.com/cespare/xxhash/v2/xxhash_other.go

vendor/github.com/cespare/xxhash/v2/xxhash_safe.go

vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go

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

...or/github.com/prometheus/client_golang/prometheus/desc.go

vendor/github.com/prometheus/client_golang/prometheus/doc.go

...r/github.com/prometheus/client_golang/prometheus/gauge.go

...rometheus/client_golang/prometheus/go_collector_latest.go

...thub.com/prometheus/client_golang/prometheus/histogram.go

.../github.com/prometheus/client_golang/prometheus/labels.go

.../github.com/prometheus/client_golang/prometheus/metric.go

....com/prometheus/client_golang/prometheus/promhttp/http.go