Add Endpoint Collection for AppSec

[y9v]

What does this PR do?
This PR adds Endpoint Collection feature for AppSec.

Motivation:
We want to collect routing information for Rails apps even for endpoints that don't get traffic.

Change log entry
None. This is internal change.

Additional Notes:
This PR fixes flakyness in the integration test by adding Devise.

APPSEC-59522

How to test the change?
CI

[datadog-official]

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

🎯 Code Coverage
• Patch Coverage: 100.59%
• Total Coverage: 101.95% (-0.01%)

View detailed report

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: c126aa1 | Docs | Was this helpful? Give us feedback!}

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-10-06 16:00:22

Comparing candidate commit c126aa1 in PR branch appsec-enable-endpoint-collection-v2 with baseline commit 49a5c68 in branch master.

Found 2 performance improvements and 1 performance regressions! Performance is the same for 41 metrics, 2 unstable metrics.

scenario:line instrumentation - targeted

• 🟩 throughput [+11019.632op/s; +11628.362op/s] or [+7.706%; +8.131%]

scenario:method instrumentation

• 🟩 throughput [+10311.290op/s; +10849.409op/s] or [+6.271%; +6.599%]

scenario:profiling - intern_all 1000 repeated strings

• 🟥 throughput [-1319.480op/s; -1256.835op/s] or [-5.466%; -5.207%]