feat: Add PostgreSQL metrics instrumentation via OpenTelemetry#127

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smoreinis wants to merge 7 commits intomainfrom

stas/otel-metrics

Commits on Jan 10, 2026

feat: Add StatsD export for PostgreSQL metrics to Datadog
smoreinis
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Commits on Jan 16, 2026

feat: Restore StatsD configuration for Datadog metrics
smoreinis
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fix: Initialize base_attributes before OTel check in PostgresPoolMetrics
smoreinis
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