chore(deps): update actions/checkout action to v6.0.2 #23754

Job	Run time
check-bundle-size	3m 30s
lint	1m 47s
reuse-compliance	9s
build / Build (19)	1m 33s
build / Build (18)	2m 0s
deploy-next-docs	2m 21s
test / Cypress (base, 19)	2m 39s
test / Cypress (main/src/components, 18)	7m 0s
test / Cypress (main/src/components, 19)	8m 59s
test / Cypress (cypress-commands, 19)	1m 39s
test / Cypress (base, 18)	2m 42s
test / Cypress (compat, 19)	1m 42s
test / Cypress (main/src/webComponents, 19)	1m 47s
test / Cypress (cypress-commands, 18)	2m 26s
test / Cypress (compat, 18)	2m 28s
test / Cypress (main/src/internal, 18)	2m 3s
test / Cypress (charts, 18)	3m 48s
test / Cypress (charts, 19)	3m 34s
test / Cypress (main/src/internal, 19)	1m 35s
test / Cypress (main/src/webComponents, 18)	2m 13s
test / Combine Coverage	5s
	56m 0s

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