build(deps): bump go.opentelemetry.io/proto/otlp from 1.2.0 to 1.3.1 in /exporters/otlp/otlplog/otlploghttp

build(deps): bump go.opentelemetry.io/proto/otlp from 1.2.0 to 1.3.1 in /exporters/otlp/otlplog/otlploghttp #1874