build(deps): bump go.opentelemetry.io/proto/otlp from 1.3.1 to 1.4.0 in the go-opentelemetry-io group across 1 directory

build(deps): bump go.opentelemetry.io/proto/otlp from 1.3.1 to 1.4.0 in the go-opentelemetry-io group across 1 directory #7956