Update module go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc to v0.50.0 - abandoned

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc	v0.49.0 -> v0.50.0

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Breaking changes

[mx-psi]

OpenTelemetry Go does not follow semver (see open-telemetry/opentelemetry-go/issues/3277) which causes issues here:

Error: /home/runner/go/pkg/mod/go.opentelemetry.io/otel/[email protected]/trace/span.go:165:20: cannot use (*recordingSpan)(nil) (value of type *recordingSpan) as ReadWriteSpan value in variable declaration: *recordingSpan does not implement ReadWriteSpan (missing method AddLink)
		have addLink("go.opentelemetry.io/otel/trace".Link)
		want AddLink("go.opentelemetry.io/otel/trace".Link)
Error: /home/runner/go/pkg/mod/go.opentelemetry.io/otel/[email protected]/trace/span.go:804:20: cannot use nonRecordingSpan{} (value of type nonRecordingSpan) as "go.opentelemetry.io/otel/trace".Span value in variable declaration: nonRecordingSpan does not implement "go.opentelemetry.io/otel/trace".Span (missing method AddLink)
Error: /home/runner/go/pkg/mod/go.opentelemetry.io/otel/[email protected]/trace/tracer.go:50:21: impossible type assertion: p.(*recordingSpan)
	*recordingSpan does not implement "go.opentelemetry.io/otel/trace".Span (missing method AddLink)
		have addLink("go.opentelemetry.io/otel/trace".Link)
		want AddLink("go.opentelemetry.io/otel/trace".Link)
Error: /home/runner/go/pkg/mod/go.opentelemetry.io/otel/[email protected]/trace/tracer.go:1[20](https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/8616606447/job/23614769494?pr=32254#step:11:21):10: cannot use tr.newNonRecordingSpan(sc) (value of type nonRecordingSpan) as "go.opentelemetry.io/otel/trace".Span value in return statement: nonRecordingSpan does not implement "go.opentelemetry.io/otel/trace".Span (missing method AddLink)
Error: /home/runner/go/pkg/mod/go.opentelemetry.io/otel/[email protected]/trace/tracer.go:1[22](https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/8616606447/job/23614769494?pr=32254#step:11:23):9: cannot use tr.newRecordingSpan(psc, sc, name, samplingResult, config) (value of type *recordingSpan) as "go.opentelemetry.io/otel/trace".Span value in return statement: *recordingSpan does not implement "go.opentelemetry.io/otel/trace".Span (missing method AddLink)

[renovate]

Autoclosing Skipped

This PR has been flagged for autoclosing. However, it is being skipped due to the branch being already modified. Please close/delete it manually or report a bug if you think this is in error.

[codeboten]

no longer needed