Add UpDownCounter metric type to OTEL server API

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    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
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      Currently, server API for adding new OTEL metrics offers counter, gauge and histogram metric types. We also need UpDownCounter metric type.

      A known use-case from SPM-4498 project: we need to report the number of currently open and currently pinned cursors. The metric can be easily updated from ClientCursor and CursorPin classes by adding 1 on construction and subtrating1 on destruction.

            Assignee:
            Unassigned
            Reporter:
            Romans Kasperovics
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              Created:
              Updated: