Add ability to handle Split metrics

[dineshg13]

Component(s)

processor/schema

Is your feature request related to a problem? Please describe.

Split Metrics were introduced as part of schema file format 1.1.0 .

see https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/schemas/file_format_v1.1.0.md

Schema Processor currently doesn't support Split Metrics operation.

Describe the solution you'd like

Schema Processor should be able to handle Split Metrics.

Describe alternatives you've considered

No response

Additional context

No response

[github-actions]

This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping @open-telemetry/collector-contrib-triagers. If this issue is still relevant, please ping the code owners or leave a comment explaining why it is still relevant. Otherwise, please close it.

[axw]

/label processor/schema

[github-actions]

Pinging code owners for processor/schema: @MovieStoreGuy @ankitpatel96 @dineshg13. See Adding Labels via Comments if you do not have permissions to add labels yourself. For example, comment '/label priority:p2 -needs-triaged' to set the priority and remove the needs-triaged label.

[axw]

/label -needs-triage waiting-for-code-owners priority:p2