Set thread information on transaction from OpenTelemetry attributes

[lcian]

:scroll: Description

If present, grabs the thread attributes from the OTEL span to populate transaction.data.thread.id and transaction.data.thread.name.

:bulb: Motivation and Context

Closes #4336

:green_heart: How did you test it?

Manual testing.

:pencil: Checklist

• [ ] I added tests to verify the changes.
• [X] No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• [X] I updated the docs if needed.
• [X] I updated the wizard if needed.
• [X] Review from the native team if needed.
• [X] No breaking change or entry added to the changelog.
• [X] No breaking change for hybrid SDKs or communicated to hybrid SDKs.

[github-actions[bot]]

Performance metrics :rocket:

	Plain	With Sentry	Diff
Startup time	404.80 ms	449.43 ms	44.63 ms
Size	1.58 MiB	2.09 MiB	518.90 KiB

Previous results on branch: lcian/fix/otel-transaction-thread

Startup times

Revision	Plain	With Sentry	Diff
e0c26ac2da2047feaa8f0ed81440a6c61e3c45ea	438.68 ms	440.96 ms	2.28 ms
dd449bf99571bf4bdee34df6cf9f8469bbc7e0e6	415.08 ms	463.96 ms	48.88 ms

App size

Revision	Plain	With Sentry	Diff
e0c26ac2da2047feaa8f0ed81440a6c61e3c45ea	1.58 MiB	2.08 MiB	511.11 KiB
dd449bf99571bf4bdee34df6cf9f8469bbc7e0e6	1.58 MiB	2.08 MiB	511.12 KiB