chore: Bump selected-network-controller to v21 #41373

Job	Run time
dedupe	2m 53s
check-diff	21m 8s
git-safe-dependencies	2m 49s
js-bundle-size-check	8m 22s
Check workflows	5s
scripts (lint)	4m 7s
unit-tests (1)	6m 47s
scripts (lint:tsc)	3m 21s
unit-tests (2)	6m 32s
unit-tests (3)	6m 49s
scripts (audit:ci)	2m 52s
unit-tests (4)	6m 46s
scripts (test:depcheck)	3m 16s
unit-tests (5)	7m 2s
scripts (test:tgz-check)	5m 24s
unit-tests (6)	6m 42s
unit-tests (7)	6m 55s
unit-tests (8)	6m 42s
unit-tests (9)	6m 37s
unit-tests (10)	6m 49s
merge-unit-tests	2m 47s
ship-js-bundle-size-check	0s
sonar-cloud	1m 19s
sonar-cloud-quality-gate-status	35s
All jobs pass	1s
Check all jobs pass	1s
Log merge group failure	0s
	2h 6m 41s

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