Change code owners for `release/6.2` to branch managers #172

Job	Run time
Run tests using swift-syntax-dev-utils (Linux)	23m 1s
Validate generated code	2m 56s
Run tests using swift-syntax-dev-utils (Windows)	49m 11s
Test / Linux (5.9 - jammy)	3m 48s
Test / Linux (5.10 - jammy)	3m 47s
Test / Linux (6.0 - jammy)	3m 57s
Test / Windows (5.9 - windows-2022)	25m 31s
Test / Linux (6.1 - jammy)	3m 56s
Test / Windows (6.0 - windows-2022)	15m 51s
Test / Linux (nightly-main - jammy)	4m 42s
Test / Windows (6.1 - windows-2022)	23m 58s
Test / Linux (nightly-6.1 - jammy)	4m 38s
Test / Windows (nightly - windows-2019)	14m 59s
Test / Windows (nightly-6.1 - windows-2019)	16m 54s
Soundness / API breakage check	0s
Soundness / Broken symlinks check	5s
Soundness / Documentation check	4m 50s
Soundness / Format check	37s
Soundness / License headers check	11s
Soundness / Python lint check	6s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	6s
Soundness / Shell check	31s
	3h 23m 38s

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