Add AppSec server-side request forgery remote capability

[y9v]

What does this PR do?
This PR adds a remote capability for AppSec server-side request forgery exploit prevention.

Motivation:
We have instrumentation for Faraday, Excon, and RestClient to detect SSRF attacks.

Change log entry
None. This is internal change.

Additional Notes:
Don't merge before #4269

How to test the change?
CI is enough.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.68%. Comparing base (987b7a6) to head (602314a).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4446      +/-   ##
==========================================
- Coverage   97.70%   97.68%   -0.03%     
==========================================
  Files        1374     1374              
  Lines       83807    83807              
  Branches     4249     4249              
==========================================
- Hits        81881    81863      -18     
- Misses       1926     1944      +18     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[datadog-datadog-prod-us1]

Datadog Report

Branch report: appsec-add-rasp-ssrf-remote-capability
Commit report: 602314a
Test service: dd-trace-rb

✅ 0 Failed, 20611 Passed, 1371 Skipped, 3m 16.06s Total Time

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-02-28 17:27:21

Comparing candidate commit 602314a in PR branch appsec-add-rasp-ssrf-remote-capability with baseline commit 987b7a6 in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 31 metrics, 2 unstable metrics.

[p-datadog]

This will conflict with #4445