mod: do: bump github.com/prometheus/client_golang from 1.14.0 to 1.16.0

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.14.0 to 1.16.0.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.14.0...v1.16.0)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

1 files changed, 27 insertions, 23 deletions

diff --git a/vendor/github.com/prometheus/common/model/value_histogram.go b/vendor/github.com/prometheus/common/model/value_histogram.go
index cc221a886..54bb038cf 100644
--- a/vendor/github.com/prometheus/common/model/value_histogram.go
+++ b/vendor/github.com/prometheus/common/model/value_histogram.go
@@ -18,16 +18,8 @@ import (
 	"fmt"
 	"strconv"
 	"strings"
-	"unsafe"
-
-	jsoniter "github.com/json-iterator/go"
 )
 
-func init() {
-	jsoniter.RegisterTypeEncoderFunc("model.HistogramBucket", marshalHistogramBucketJSON, marshalJSONIsEmpty)
-	jsoniter.RegisterTypeEncoderFunc("model.SampleHistogramPair", marshalSampleHistogramPairJSON, marshalJSONIsEmpty)
-}
-
 type FloatString float64
 
 func (v FloatString) String() string {
@@ -57,10 +49,24 @@ type HistogramBucket struct {
 	Count      FloatString
 }
 
-// marshalHistogramBucketJSON writes fmt.Sprintf("[%s,%s,%s,%s]", b.Boundaries, b.Lower, b.Upper, b.Count).
-func marshalHistogramBucketJSON(ptr unsafe.Pointer, stream *jsoniter.Stream) {
-	b := *((*HistogramBucket)(ptr))
-	MarshalHistogramBucket(b, stream)
+func (s HistogramBucket) MarshalJSON() ([]byte, error) {
+	b, err := json.Marshal(s.Boundaries)
+	if err != nil {
+		return nil, err
+	}
+	l, err := json.Marshal(s.Lower)
+	if err != nil {
+		return nil, err
+	}
+	u, err := json.Marshal(s.Upper)
+	if err != nil {
+		return nil, err
+	}
+	c, err := json.Marshal(s.Count)
+	if err != nil {
+		return nil, err
+	}
+	return []byte(fmt.Sprintf("[%s,%s,%s,%s]", b, l, u, c)), nil
 }
 
 func (s *HistogramBucket) UnmarshalJSON(buf []byte) error {
@@ -133,21 +139,19 @@ type SampleHistogramPair struct {
 	Histogram *SampleHistogram
 }
 
-// marshalSampleHistogramPairJSON writes `[ts, "val"]`.
-func marshalSampleHistogramPairJSON(ptr unsafe.Pointer, stream *jsoniter.Stream) {
-	p := *((*SampleHistogramPair)(ptr))
-	stream.WriteArrayStart()
-	MarshalTimestamp(int64(p.Timestamp), stream)
-	stream.WriteMore()
-	MarshalHistogram(*p.Histogram, stream)
-	stream.WriteArrayEnd()
-}
-
 func (s SampleHistogramPair) MarshalJSON() ([]byte, error) {
 	if s.Histogram == nil {
 		return nil, fmt.Errorf("histogram is nil")
 	}
-	return jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(s)
+	t, err := json.Marshal(s.Timestamp)
+	if err != nil {
+		return nil, err
+	}
+	v, err := json.Marshal(s.Histogram)
+	if err != nil {
+		return nil, err
+	}
+	return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil
 }
 
 func (s *SampleHistogramPair) UnmarshalJSON(buf []byte) error {