cherry-pick(#28366): fix: parse report.jsonl without creating large s…

[yury-s]

…tring

Reference #28362

[github-actions]

Test results for "tests 1"

1 failed
❌ [installation tests] › playwright-test-plugin.spec.ts:35:5 › npm: @playwright/test plugin should work

4 flaky

⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks
⚠️ [firefox] › page/frame-goto.spec.ts:46:3 › should continue after client redirect
⚠️ [playwright-test] › ui-mode-test-ct.spec.ts:184:5 › should watch component
⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks

26140 passed, 612 skipped
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Merge workflow run.