Clarify Collector internal metric names by version #4933
Description
What needs to be changed? With release v0.106.1, the names of Collector internal metrics are handled differently, depending on whether they are generated from Collector components (prefixed with otelcol_) or instrumentation libraries (not prefixed with otelcol_).
The list of metrics is correct as-is, but we should add a note that clarifies that versions of the Collector prior to v0.106.1 append the otelcol_ prefix to all internal metrics, both instrumentation library-generated as well as component-generated.
What is the name + path of the page that needs changed? https://opentelemetry.io/docs/collector/internal-telemetry/#lists-of-internal-metrics
Additional context: See comment.