HPCC-31685 Add non-http otel context roxie support

[rpastrana]

• Establishes inline header section for trace related info
• Extracts trace info and provides it to server span

Type of change:

• [ ] This change is a bug fix (non-breaking change which fixes an issue).
• [x] This change is a new feature (non-breaking change which adds functionality).
• [ ] This change improves the code (refactor or other change that does not change the functionality)
• [ ] This change fixes warnings (the fix does not alter the functionality or the generated code)
• [ ] This change is a breaking change (fix or feature that will cause existing behavior to change).
• [ ] This change alters the query API (existing queries will have to be recompiled)

Checklist:

• [x] My code follows the code style of this project.
  • [ ] My code does not create any new warnings from compiler, build system, or lint.
• [x] The commit message is properly formatted and free of typos.
  • [ ] The commit message title makes sense in a changelog, by itself.
  • [ ] The commit is signed.
• [ ] My change requires a change to the documentation.
  • [ ] I have updated the documentation accordingly, or...
  • [ ] I have created a JIRA ticket to update the documentation.
  • [ ] Any new interfaces or exported functions are appropriately commented.
• [ ] I have read the CONTRIBUTORS document.
• [ ] The change has been fully tested:
  • [x] I have added tests to cover my changes.
  • [ ] All new and existing tests passed.
  • [ ] I have checked that this change does not introduce memory leaks.
  • [ ] I have used Valgrind or similar tools to check for potential issues.
• [ ] I have given due consideration to all of the following potential concerns:
  • [ ] Scalability
  • [ ] Performance
  • [ ] Security
  • [ ] Thread-safety
  • [ ] Cloud-compatibility
  • [ ] Premature optimization
  • [ ] Existing deployed queries will not be broken
  • [ ] This change fixes the problem, not just the symptom
  • [ ] The target branch of this pull request is appropriate for such a change.
• [ ] There are no similar instances of the same problem that should be addressed
  • [ ] I have addressed them here
  • [ ] I have raised JIRA issues to address them separately
• [ ] This is a user interface / front-end modification
  • [ ] I have tested my changes in multiple modern browsers
  • [ ] The component(s) render as expected

Smoketest:

• [ ] Send notifications about my Pull Request position in Smoketest queue.
• [ ] Test my draft Pull Request.

Testing:

[github-actions[bot]]

Jira Issue: https://hpccsystems.atlassian.net//browse/HPCC-31685

Jirabot Action Result: Workflow Transition: Merge Pending Updated PR Assigning user: [email protected]

[rpastrana]

This feature likely needs new test cases

[rpastrana]

change is done and squashed

[ghalliday]

@richardkchapman , please can you sanity-check this change