Add CODEOWNERS to .github folder #5275

Job	Run time
set-tags	4s
cargo-clippy	7m 23s
Check with rustfmt	13s
check-copyright	3s
build	3m 41s
toml-formatting	52s
cargo-toml-feature-propagation	1m 52s
typescript-formatting	15s
typescript-linting	16s
Check WASM runtimes with Twiggy	1m 23s
rust-test	7m 13s
check-api-augment	1m 8s
typescript-dancebox-specs	26s
chopsticks-upgrade-test (stagenet_dancebox, dancebox)	50s
typescript-tests	4m 17s
chopsticks-upgrade-test (flashbox, flashbox)	55s
typescript-tests-flashbox	3m 41s
typescript-tests-frontier	3m 40s
chopsticks-upgrade-test (dancebox, dancebox)	50s
chopsticks-upgrade-test (frontier_template, container-chain-template-frontier)	49s
typescript-tests-relay	5m 40s
typescript-tests-simple-template	2m 22s
chopsticks-upgrade-test (stagelight, dancelight)	1m 24s
zombienet-tests (zombie_tanssi)	9m 56s
zombienet-tests (zombie_tanssi_parathreads)	14m 3s
zombienet-test-upgrade (dancebox)	3m 43s
zombienet-tests (zombie_tanssi_rotation)	8m 31s
zombienet-test-upgrade-containers (frontier_template, container-chain-template-frontier)	4m 55s
zombienet-tests (zombie_tanssi_warp_sync)	6m 13s
zombienet-test-upgrade-containers (simple_template, container-chain-template-simple)	4m 47s
zombienet-tests (zombie_tanssi_relay)	9m 51s
zombienet-test-upgrade-starlight (dancelight, dancelight)	1m 26s
zombienet-tests (zombie_data_preservers)	13m 22s
docker-tanssi (tanssi)	51s
docker-tanssi (container-chain-simple-template)	50s
docker-tanssi (container-chain-evm-template)	53s
docker-tanssi (starlight)	53s
	2h 9m 31s

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