Add configuration for HTTP error ranges

[vpellan]

What does this PR do?

This adds configurations (DD_TRACE_HTTP_CLIENT_ERROR_STATUSES and DD_TRACE_HTTP_SERVER_ERROR_STATUSES) to configure the range of accepted values for HTTP errors

Motivation:

Resolves #3068

Change log entry

Yes. Add configurations to set ranges considered as errors for HTTP server and client errors.

Additional Notes:

How to test the change?

[github-actions]

Typing analysis

Note: Ignored files are excluded from the next sections.

Untyped methods

This PR clears 2 untyped methods. It increases the percentage of typed methods from 51.1% to 51.26% (+0.16%).

Untyped methods (+0-2)

✅ Cleared:

sig/datadog/tracing/contrib/status_range_matcher.rbs:7
└── def initialize: (untyped ranges) -> void
sig/datadog/tracing/contrib/status_range_matcher.rbs:9
└── def include?: (untyped status) -> untyped

Untyped other declarations

This PR clears 1 untyped other declaration. It increases the percentage of typed other declarations from 65.65% to 65.75% (+0.1%).

Untyped other declarations (+0-1)

✅ Cleared:

sig/datadog/tracing/contrib/status_range_matcher.rbs:5
└── @ranges: untyped

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-10-22 10:14:08

Comparing candidate commit 2652dce in PR branch vpellan/add-configurable-http-error-range with baseline commit 65125a4 in branch master.

Found 3 performance improvements and 0 performance regressions! Performance is the same for 41 metrics, 2 unstable metrics.

scenario:profiling - Allocations ()

• 🟩 throughput [+606409.123op/s; +659055.877op/s] or [+23.924%; +26.002%]

scenario:profiling - stack collector (ruby frames - native filenames enabled)

• 🟩 throughput [+183.607op/s; +185.471op/s] or [+6.022%; +6.084%]

scenario:tracing - Propagation - Trace Context

• 🟩 throughput [+3741.269op/s; +3845.785op/s] or [+11.051%; +11.359%]

[datadog-official]

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

🎯 Code Coverage
• Patch Coverage: 100.00%
• Total Coverage: 98.56% (+0.11%)

View detailed report

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 2652dce | Docs | Was this helpful? Give us feedback!}

[Strech]

👏🏼 Well done!