[v2] fix(ddtrace/tracer): avoid tests to fail with error "non-constant format string" from upcoming Go 1.24 release (#3048)

[darccio]

What does this PR do?

Port of #3048 to v2-dev.

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.

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[datadog-datadog-prod-us1]

Datadog Report

Branch report: dario.castane/go-124-port
Commit report: 9b59963
Test service: dd-trace-go

✅ 0 Failed, 2843 Passed, 24 Skipped, 2m 50.26s Total Time

[hannahkm]

Approved this preemptively 🙃 , but looks like there are some issues with using the internal log package.