fix(build): update go version to 1.16 and dependencies (#2136)

* chore(deps): bump k8s.io/apiextensions-apiserver from 0.19.2 to 0.21.3

Bumps [k8s.io/apiextensions-apiserver](https://github.com/kubernetes/apiextensions-apiserver) from 0.19.2 to 0.21.3.
- [Release notes](https://github.com/kubernetes/apiextensions-apiserver/releases)
- [Commits](https://github.com/kubernetes/apiextensions-apiserver/compare/v0.19.2...v0.21.3)

---
updated-dependencies:
- dependency-name: k8s.io/apiextensions-apiserver
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* chore(deps): bump google.golang.org/api from 0.34.0 to 0.52.0

Bumps [google.golang.org/api](https://github.com/googleapis/google-api-go-client) from 0.34.0 to 0.52.0.
- [Release notes](https://github.com/googleapis/google-api-go-client/releases)
- [Changelog](https://github.com/googleapis/google-api-go-client/blob/master/CHANGES.md)
- [Commits](https://github.com/googleapis/google-api-go-client/compare/v0.34.0...v0.52.0)

---
updated-dependencies:
- dependency-name: google.golang.org/api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* start update dependencies

* update mods and otlp

* fix(build): update to go 1.16

* old version for k8s mods

* update k8s versions

* update orbos

* with batcher

* add batch span processor

* try with older otel version 0.20

* remove syncer

* otel rc2

* fix config

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Stefan Benz <stefan@caos.ch>

internal/telemetry/metrics/metrics.go

@@ -2,8 +2,9 @@ package metrics
 
 import (
 	"context"
-	"go.opentelemetry.io/otel/api/metric"
 	"net/http"
+
+	"go.opentelemetry.io/otel/metric"
 )
 
 const (

internal/telemetry/metrics/otel/open_telemetry.go

@@ -2,13 +2,19 @@ package otel
 
 import (
 	"context"
-	caos_errs "github.com/caos/zitadel/internal/errors"
-	"github.com/caos/zitadel/internal/telemetry/metrics"
-	"go.opentelemetry.io/otel/api/metric"
-	"go.opentelemetry.io/otel/exporters/metric/prometheus"
-	"go.opentelemetry.io/otel/label"
 	"net/http"
 	"sync"
+
+	label "go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/exporters/metric/prometheus"
+	"go.opentelemetry.io/otel/metric"
+	export "go.opentelemetry.io/otel/sdk/export/metric"
+	controller "go.opentelemetry.io/otel/sdk/metric/controller/basic"
+	processor "go.opentelemetry.io/otel/sdk/metric/processor/basic"
+	selector "go.opentelemetry.io/otel/sdk/metric/selector/simple"
+
+	caos_errs "github.com/caos/zitadel/internal/errors"
+	"github.com/caos/zitadel/internal/telemetry/metrics"
 )
 
 type Metrics struct {
@@ -20,8 +26,15 @@ type Metrics struct {
 }
 
 func NewMetrics(meterName string) (metrics.Metrics, error) {
-	exporter, err := prometheus.NewExportPipeline(
+	exporter, err := prometheus.New(
 		prometheus.Config{},
+		controller.New(
+			processor.New(
+				selector.NewWithHistogramDistribution(),
+				export.CumulativeExportKindSelector(),
+				processor.WithMemory(true),
+			),
+		),
 	)
 	if err != nil {
 		return &Metrics{}, err