Stores remote config requests in request-replayer

[dubloom]

Description

Process_tags will be added to remote config in a follow-up PR.
To test the feature we need to do something like that:

try {
    $request = $rr->waitForRequest(function($req) {
        return strpos($req["uri"], '/v0.7/config') !== false;
    });
    $body = json_decode($request["body"], true);
} catch (Exception $e) {
    echo "ERROR: No RC request found\n";
    exit(1);
}

if (!isset($body["client"]["client_tracer"]["process_tags"])) {
    echo "ERROR: Missing 'process_tags' field\n";
    exit(1);
}

echo $body["client"]["client_tracer"]["process_tags"];
del_rc_file($path);

However, until this PR, RC requests were not stored which was making a test like that impossible.
This PR therefore stores the RC requests so we can retrieve them in tests.

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[datadog-official]

⚠️ Tests

✨ Fix all issues with Cursor

⚠️ Warnings

🧪 1026 Tests failed

    testSearchPhpBinaries from integration.DDTrace\Tests\Integration\PHPInstallerTest (Fix with Cursor)

    testSimplePushAndProcess from laravel-58-test.DDTrace\Tests\Integrations\Laravel\V5_8\QueueTest (Fix with Cursor)

testSimplePushAndProcess from laravel-8x-test.DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest (Datadog) (Fix with Cursor)

DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest::testSimplePushAndProcess
Test code or tested code printed unexpected output: spanLinksTraceId: 697cbd19000000008715e9b35b1d5910
tid: 697cbd1900000000
hexProcessTraceId: 8715e9b35b1d5910
hexProcessSpanId: 18179da2138c6d2e
processTraceId: 9733943126168262928
processSpanId: 1736029500812848430

View all

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 33c76cc | Docs | Datadog PR Page | Was this helpful? Give us feedback!}

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.11%. Comparing base (ff8f987) to head (33c76cc).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3585      +/-   ##
==========================================
- Coverage   62.24%   62.11%   -0.14%     
==========================================
  Files         141      141              
  Lines       13387    13387              
  Branches     1753     1753              
==========================================
- Hits         8333     8315      -18     
- Misses       4257     4273      +16     
- Partials      797      799       +2     

see 4 files with indirect coverage changes

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