TT-8809 ContextWithSpan

[kofoworola]

Description

THis change adds ContextWithSpan to the otel library for this PR

Related Issue

https://tyktech.atlassian.net/browse/TT-8809

Motivation and Context

https://tyktech.atlassian.net/browse/TT-8809

Test Coverage For This Change

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Refactoring or add test (improvements in base code or adds test coverage to functionality)
• Documentation updates or improvements.

Checklist

• I have reviewed the guidelines for contributing to this repository.
• Make sure you are requesting to pull a topic/feature/bugfix branch (right side). If PRing from your fork, don't come from your master!
• Make sure you are making a pull request against our master branch (left side). Also, it would be best if you started your change off our latest master.
• My change requires a change to the documentation.
  • I have manually updated the README(s)/documentation accordingly.
  • If you've changed APIs, describe what needs to be updated in the documentation.
• I have updated the documentation accordingly.
• Modules and vendor dependencies have been updated; run go mod tidy && go mod vendor
• When updating library version must provide reason/explanation for this update.
• I have added tests to cover my changes.
• All new and existing tests passed.
• Check your code additions will not fail linting checks:
  • gofmt -s -w .
  • go vet ./...

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[kofoworola]

I have read the CLA Document and I hereby sign the CLA