Support HTTP_METHOD and HTTP_REQUEST_METHOD for Otel Spans

[lbloder]

📜 Description

Support both HttpAttributes.HTTP_REQUEST_METHOD and SemanticAttributes.HTTP_METHOD as source for httpMethod.

💡 Motivation and Context

Fixes double check for HttpAttributes.HTTP_REQUEST_METHOD and adds SemanticAttributes.HTTP_METHOD.

💚 How did you test it?

📝 Checklist

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

🔮 Next steps

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- Support HTTP_METHOD and HTTP_REQUEST_METHOD for Otel Spans ([#3930](https://github.com/getsentry/sentry-java/pull/3930))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description.

Generated by 🚫 dangerJS against 614e9c2

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	378.34 ms	419.43 ms	41.09 ms
Size	1.58 MiB	2.22 MiB	655.16 KiB

[lbloder]

Closed as obsolete, as we do not support SemanticAttributes.HTTP_METHOD and solely rely on HttpAttributes.HTTP_REQUEST_METHOD throughout the codebase