Bump go.opentelemetry.io/collector/model

Bumps [go.opentelemetry.io/collector/model](https://github.com/open-telemetry/opentelemetry-collector) from 0.47.0 to 0.50.0.
- [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...v0.50.0)

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

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

receiver/googlecloudspannerreceiver/go.mod

@@ -4,9 +4,9 @@ go 1.17
 
 require (
 	cloud.google.com/go/spanner v1.30.0
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.7.1
 	go.opentelemetry.io/collector v0.47.0
-	go.opentelemetry.io/collector/model v0.47.0
+	go.opentelemetry.io/collector/model v0.50.0
 	go.uber.org/zap v1.21.0
 	google.golang.org/api v0.72.0
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
@@ -15,7 +15,7 @@ require (
 
 require (
 	google.golang.org/genproto v0.0.0-20220310185008-1973136f34c6
-	google.golang.org/grpc v1.45.0
+	google.golang.org/grpc v1.46.0
 )
 
 require (
@@ -32,7 +32,7 @@ require (
 	github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4 // indirect
 	github.com/cncf/xds/go v0.0.0-20211130200136-a8f946100490 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/envoyproxy/go-control-plane v0.10.1 // indirect
+	github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1 // indirect
 	github.com/envoyproxy/protoc-gen-validate v0.6.2 // indirect
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
@@ -52,6 +52,7 @@ require (
 	github.com/spf13/cast v1.4.1 // indirect
 	github.com/stretchr/objx v0.1.1 // indirect
 	go.opencensus.io v0.23.0 // indirect
+	go.opentelemetry.io/collector/pdata v0.50.0 // indirect
 	go.opentelemetry.io/otel v1.4.1 // indirect
 	go.opentelemetry.io/otel/metric v0.27.0 // indirect
 	go.opentelemetry.io/otel/trace v1.4.1 // indirect
@@ -64,7 +65,7 @@ require (
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )