Bump go.opentelemetry.io/otel/sdk/metric from 0.39.0 to 1.21.0

Bumps [go.opentelemetry.io/otel/sdk/metric](https://github.com/open-telemetry/opentelemetry-go) from 0.39.0 to 1.21.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-go@sdk/metric/v0.39.0...v1.21.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel/sdk/metric
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -15,10 +15,10 @@ require (
 	github.com/orcaman/concurrent-map v1.0.0
 	github.com/serialx/hashring v0.0.0-20200727003509-22c0c7ab6b1b
 	github.com/stretchr/testify v1.8.4
-	go.opentelemetry.io/otel v1.16.0
+	go.opentelemetry.io/otel v1.21.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.39.0
-	go.opentelemetry.io/otel/metric v1.16.0
-	go.opentelemetry.io/otel/sdk/metric v0.39.0
+	go.opentelemetry.io/otel/metric v1.21.0
+	go.opentelemetry.io/otel/sdk/metric v1.21.0
 	golang.org/x/net v0.15.0
 	google.golang.org/grpc v1.55.0
 	google.golang.org/protobuf v1.31.0
@@ -49,15 +49,15 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
 	github.com/fatih/color v1.13.0 // indirect
-	github.com/go-logr/logr v1.2.4 // indirect
+	github.com/go-logr/logr v1.3.0 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/jsonpointer v0.19.5 // indirect
 	github.com/go-openapi/jsonreference v0.20.0 // indirect
 	github.com/go-openapi/swag v0.21.1 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/gnostic v0.6.9 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-hclog v1.2.0 // indirect
@@ -89,14 +89,14 @@ require (
 	github.com/valyala/fasttemplate v1.2.1 // indirect
 	go.etcd.io/etcd/api/v3 v3.5.7 // indirect
 	go.etcd.io/etcd/client/pkg/v3 v3.5.7 // indirect
-	go.opentelemetry.io/otel/sdk v1.16.0 // indirect
-	go.opentelemetry.io/otel/trace v1.16.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.21.0 // indirect
+	go.opentelemetry.io/otel/trace v1.21.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
 	go.uber.org/zap v1.21.0 // indirect
 	golang.org/x/crypto v0.13.0 // indirect
 	golang.org/x/oauth2 v0.6.0 // indirect
-	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/sys v0.14.0 // indirect
 	golang.org/x/term v0.12.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
 	golang.org/x/time v0.0.0-20220411224347-583f2d630306 // indirect