contrib/IBM/sarama.v1: support for consumer groups

[rarguelloF]

What does this PR do?

Adds support for instrumenting consumer groups for IBM/sarama through wrapping sarama.ConsumerGroupHandler.

Closes #2133, closes #552, closes #1928

Motivation

Support tracing consumer groups.

Reviewer's Checklist

• Changed code has unit tests for its functionality at or near 100% coverage.
• System-Tests covering this feature have been added and enabled with the va.b.c-dev version tag.
• There is a benchmark for any new code, or changes to existing code.
• If this interacts with the agent in a new way, a system test has been added.
• Add an appropriate team label so this PR gets put in the right place for the release notes.
• Non-trivial go.mod changes, e.g. adding new modules, are reviewed by @DataDog/dd-trace-go-guild.
• For internal contributors, a matching PR should be created to the v2-dev branch and reviewed by @DataDog/apm-go.

Unsure? Have a question? Request a review!

[datadog-datadog-prod-us1]

Datadog Report

Branch report: rarguelloF/AIDM-461/support-sarama-consumer-group
Commit report: cd684ee
Test service: dd-trace-go

✅ 0 Failed, 5113 Passed, 70 Skipped, 2m 32.51s Total Time

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-12-19 12:58:24

Comparing candidate commit c2088e0 in PR branch rarguelloF/AIDM-461/support-sarama-consumer-group with baseline commit d15e61a in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 58 metrics, 1 unstable metrics.

[darccio]

LGTM.

@rarguelloF Remember to port this to v2-dev.