feature (#916): Observability

[draincoder]

Description

Created TelemetryMiddleware with support for OpenTelemetry traces and metrics.

• Support for distributed traces
• Corresponds to SemConv for messaging spans

Fixes #916

Type of change

• New feature (a non-breaking change that adds functionality)
• This change requires a documentation update

Checklist

• My code adheres to the style guidelines of this project (scripts/lint.sh shows no errors)
• I have made the necessary changes to the documentation
• I have conducted a self-review of my own code
• My changes do not generate any new warnings
• I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• Both new and existing unit tests pass successfully on my local environment by running scripts/test-cov.sh
• I have ensured that static analysis tests are passing by running scripts/static-anaylysis.sh
• I have included code examples to illustrate the modifications