add optional otel_scope_info configuration for prometheus exporter

Adding some more options that are exposed in the OTel Go SDK, but not specified in the prometheus exporter details.

Signed-off-by: Alex Boten <aboten@lightstep.com>

CHANGELOG.md

@@ -13,6 +13,9 @@ release.
 
 ### Metrics
 
+- Add optional configuration for Prometheus exporters to optionally drop `otel_scope_info` metric.
+  ([#3796](https://github.com/open-telemetry/opentelemetry-specification/pull/3796))
+
 ### Logs
 
 ### Resource
@@ -48,7 +51,7 @@ release.
   ([#3761](https://github.com/open-telemetry/opentelemetry-specification/pull/3761))
 - Clarifications and flexibility in Exemplar speicification.
   ([#3760](https://github.com/open-telemetry/opentelemetry-specification/pull/3760))
-- Add optional configuration for Prometheus exporters to optionally remove unit and type suffixes
+- Add optional configuration for Prometheus exporters to optionally remove unit and type suffixes.
   ([#3777](https://github.com/open-telemetry/opentelemetry-specification/pull/3777))
 
 ### Logs

specification/metrics/sdk_exporters/prometheus.md

@@ -37,3 +37,6 @@ or UNIT metadata. The option MAY be named `without_units`, and MUST be `false` b
 
 A Prometheus Exporter MAY support a configuration option to produce metrics without a [type suffix](../../compatibility/prometheus_and_openmetrics.md#metric-metadata).
 The option MAY be named `without_type_suffix`, and MUST be `false` by default.
+
+A Prometheus Exporter MAY support a configuration option to produce metrics without a [scope info](../../compatibility/prometheus_and_openmetrics.md#instrumentation-scope)
+metric. The option MAY be named `without_scope_info`, and MUST be `false` by default.