Added the protobuf PHP package as a required dependency of the OTLP exporter so spans/metrics/logs could be serialized in protobuf form; installed cleanly via Composer alongside the rest of the OpenTelemetry stack.
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Added the protobuf PHP package as a required dependency of the OTLP exporter so spans/metrics/logs could be serialized in protobuf form; installed cleanly via Composer alongside the rest of the OpenTelemetry stack.