chore(deps): update dependency @web/test-runner-puppeteer to v0.18.0 #4282

Job	Run time
Verify changes (lit-element)	46s
Verify changes (lit-element-ts-esbuild)	59s
Verify changes (lit-element-ts-tsc)	1m 3s
Verify changes (html-test)	59s
Verify changes (preact-htm)	54s
Verify changes (preact-jsx)	58s
Verify changes (preact-tsx)	38s
Verify changes (puppeteer)	58s
Verify changes (playwright)	1m 7s
Verify changes (import-maps)	38s
Verify changes (mock-es-module)	41s
Verify changes (visual-regression)	17s
Verify changes (saucelabs)	1m 4s
Verify changes (guides/test-runner/getting-started)	38s
Verify changes (guides/test-runner/watch-and-debug)	1m 1s
Verify changes (guides/test-runner/playwright)	1m 3s
Verify changes (guides/test-runner/responsive)	54s
Verify changes (guides/test-runner/typescript)	37s
Verify changes (react-htm)	1m 7s
Verify changes (react-jsx)	46s
Verify changes (react-tsx)	47s
Verify changes (snowpack-lit)	24s
Verify changes (snowpack-react)	16s
Verify changes (snowpack-svelte)	22s
	18m 57s

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