feat: Add a hidden way to access Fluent's stdout/stderr (#3504) #10880

Job	Run time
Documentation Style Check	12s
Run commit style checks	3s
Code style	1m 20s
Build and Smoke tests (ubuntu-latest, 3.10, false)	33s
Build and Smoke tests (ubuntu-latest, 3.11, false)	45s
Build and Smoke tests (ubuntu-latest, 3.12, false)	44s
Build and Smoke tests (ubuntu-latest, 3.13, false)	45s
Build and Smoke tests (windows-latest, 3.10, false)	2m 32s
Build and Smoke tests (windows-latest, 3.11, false)	2m 34s
Build and Smoke tests (windows-latest, 3.12, false)	2m 40s
Build and Smoke tests (windows-latest, 3.13, false)	3m 45s
Build Documentation	1s
Build	1s
Unit Testing (v22.2.0, 222)	7s
Unit Testing (v23.1.0, 231)	5s
Unit Testing (v23.2.0, 232)	5s
Unit Testing (v24.1.0, 241)	5s
Unit Testing (v24.2.0, 242)	10s
Unit Testing (v25.1.0, 251)	8s
Unit Testing (v25.2.0, 252)	6s
Release	1s
	16m 42s

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