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]>

testbed/mockdatareceivers/mockawsxrayreceiver/go.mod

@@ -5,14 +5,15 @@ go 1.17
 require (
 	github.com/gorilla/mux v1.8.0
 	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
 
 )
 
 require (
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/knadh/koanf v1.4.0 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
@@ -21,9 +22,16 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/spf13/cast v1.4.1 // 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
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
+	golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d // indirect
+	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
+	google.golang.org/grpc v1.46.0 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
 )