request: Added "optimismSepolia" network for Testnet #6250

Job	Run time
Bundle size check	2m 23s
test	1m 57s
code_style (lint)	2m 41s
code_style (prettier)	1m 40s
code_style (typecheck)	2m 0s
code_style (build:sample-apps)	3m 18s
code_style (danger)	1m 37s
ui-test / Playwright Tests (1, 5)	1s
ui-test / Playwright Tests (2, 5)	1s
ui-test / Playwright Tests (3, 5)	1s
ui-test / Playwright Tests (4, 5)	1s
ui-test / Playwright Tests (5, 5)	1s
ui-test / setup_playwright_runners / setup-runners	1s
	15m 42s

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