[Feature] adds index_uuid as a tag in node stats all shard metrics

[atharvasharma61]

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Describe the solution you are proposing

1. Adds index_uuid as a dimension for metrics emitted by RTF collector NodeStatsAllShardsMetricsCollector

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A clear and concise description of any alternative solutions or features you've considered.

Additional context

• Test results for adding index_uuid:

metric: ImmutableMetricData{resource=Resource{schemaUrl=null, attributes={service.name="OpenSearch"}}, instrumentationScopeInfo=InstrumentationScopeInfo{name=org.opensearch.telemetry, version=null, schemaUrl=null, attributes={}}, name=cache_field_data_eviction, description=CacheFieldDataEviction Metrics, unit=count, type=DOUBLE_SUM, data=ImmutableSumData{points=[ImmutableDoublePointData{startEpochNanos=1721648656776899000, epochNanos=1721649020465768000, attributes={index_name="your-index", index_uuid="TxGu9noCSQKt8OE8ioR1-A", shard_id="0"}, value=0.0, exemplars=[]}], monotonic=true, aggregationTemporality=CUMULATIVE}}

Check List

• Backport Labels added.
• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

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[atharvasharma61]

Testing output:

attributes={index_name="your-index", index_uuid="Yygq9wWbTHu0XvcWIhrXcA", shard_id="0"}