Update opentelemetry-java monorepo to v1.49.0

[elastic-renovate-prod]

This PR contains the following updates:

Package	Type	Update	Change
io.opentelemetry:opentelemetry-sdk-testing	dependencies	minor	1.48.0 -> 1.49.0
io.opentelemetry:opentelemetry-exporter-otlp	dependencies	minor	1.48.0 -> 1.49.0
io.opentelemetry:opentelemetry-sdk	dependencies	minor	1.48.0 -> 1.49.0

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Release Notes

open-telemetry/opentelemetry-java (io.opentelemetry:opentelemetry-sdk-testing)

v1.49.0

SDK

Trace

• Avoid linear queue.size() calls in span producers by storing queue size separately
  (#​7141)

Exporters

• OTLP: Add support for setting exporter executor service
  (#​7152)
• OTLP: Refine delay jitter for exponential backoff
  (#​7206)

Extensions

• Autoconfigure: Remove support for otel.experimental.exporter.otlp.retry.enabled
  (#​7200)
• Autoconfigure: Add stable cardinality limit property otel.java.metrics.cardinality.limit
  (#​7199)
• Incubator: Add declarative config model customizer SPI
  (#​7118)

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