Bump go.opentelemetry.io/collector in /exporter/stackdriverexporter

Bumps [go.opentelemetry.io/collector](https://github.com/open-telemetry/opentelemetry-collector) from 0.47.0 to 0.51.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-collector/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-collector/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-collector@v0.47.0...v0.51.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/collector
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

exporter/stackdriverexporter/go.mod

@@ -4,8 +4,8 @@ go 1.17
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/exporter/googlecloudexporter v0.47.0
-	github.com/stretchr/testify v1.7.0
-	go.opentelemetry.io/collector v0.47.0
+	github.com/stretchr/testify v1.7.1
+	go.opentelemetry.io/collector v0.51.0
 	go.uber.org/zap v1.21.0
 )
 
@@ -17,10 +17,10 @@ require (
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/collector v0.26.1-0.20220307211504-dc45061a44f9 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace v1.3.0 // indirect
 	github.com/aws/aws-sdk-go v1.43.17 // indirect
-	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/census-instrumentation/opencensus-proto v0.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // 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/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
@@ -29,21 +29,23 @@ require (
 	github.com/googleapis/gax-go/v2 v2.1.1 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
-	github.com/knadh/koanf v1.4.0 // indirect
-	github.com/magiconair/properties v1.8.6 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/knadh/koanf v1.4.1 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
-	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.47.0 // indirect
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/opencensus v0.47.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/spf13/cast v1.4.1 // indirect
 	go.opencensus.io v0.23.0 // indirect
 	go.opentelemetry.io/collector/model v0.47.0 // indirect
-	go.opentelemetry.io/otel v1.4.1 // indirect
-	go.opentelemetry.io/otel/metric v0.27.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.4.1 // indirect
-	go.opentelemetry.io/otel/trace v1.4.1 // indirect
+	go.opentelemetry.io/collector/pdata v0.51.0 // indirect
+	go.opentelemetry.io/otel v1.7.0 // indirect
+	go.opentelemetry.io/otel/metric v0.30.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.7.0 // indirect
+	go.opentelemetry.io/otel/trace v1.7.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
 	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
@@ -54,8 +56,8 @@ require (
 	google.golang.org/api v0.72.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20220310185008-1973136f34c6 // indirect
-	google.golang.org/grpc v1.45.0 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	google.golang.org/grpc v1.46.0 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )