Bump go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc

Bumps [go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc](https://github.com/open-telemetry/opentelemetry-go) from 0.27.0 to 0.30.0.
- [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@metric/v0.27.0...metric/v0.30.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

examples/demo/server/go.mod

@@ -4,32 +4,31 @@ go 1.17
 
 require (
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.29.0
-	go.opentelemetry.io/otel v1.4.1
-	go.opentelemetry.io/otel/exporters/otlp/otlpmetric v0.27.0
-	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v0.27.0
+	go.opentelemetry.io/otel v1.7.0
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric v0.30.0
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v0.30.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.4.1
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.4.1
-	go.opentelemetry.io/otel/metric v0.27.0
-	go.opentelemetry.io/otel/sdk v1.4.1
-	go.opentelemetry.io/otel/sdk/metric v0.27.0
-	go.opentelemetry.io/otel/trace v1.4.1
-	google.golang.org/grpc v1.45.0
+	go.opentelemetry.io/otel/metric v0.30.0
+	go.opentelemetry.io/otel/sdk v1.7.0
+	go.opentelemetry.io/otel/sdk/metric v0.30.0
+	go.opentelemetry.io/otel/trace v1.7.0
+	google.golang.org/grpc v1.46.0
 )
 
 require (
-	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/felixge/httpsnoop v1.0.2 // indirect
-	github.com/go-logr/logr v1.2.2 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.4.1 // indirect
-	go.opentelemetry.io/otel/internal/metric v0.27.0 // indirect
-	go.opentelemetry.io/proto/otlp v0.12.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.7.0 // indirect
+	go.opentelemetry.io/proto/otlp v0.16.0 // indirect
 	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
 	golang.org/x/sys v0.0.0-20210510120138-977fb7262007 // indirect
-	golang.org/x/text v0.3.3 // indirect
-	google.golang.org/genproto v0.0.0-20200527145253-8367513e4ece // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	golang.org/x/text v0.3.5 // indirect
+	google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
 )