chore(deps): update dependency @web/test-runner-puppeteer to v0.18.0 #4455

Job	Run time
Verify changes (react-htm)	21s
Verify changes (preact-tsx)	5s
Verify changes (guides/test-runner/responsive)	20s
Verify changes (guides/test-runner/getting-started)	19s
Verify changes (preact-jsx)	18s
Verify changes (lit-element)	15s
Verify changes (preact-htm)	14s
Verify changes (react-jsx)	18s
Verify changes (saucelabs)	22s
Verify changes (mock-es-module)	20s
Verify changes (guides/test-runner/typescript)	18s
Verify changes (playwright)	20s
Verify changes (import-maps)	18s
Verify changes (html-test)	21s
Verify changes (snowpack-svelte)	19s
Verify changes (snowpack-react)	19s
Verify changes (lit-element-ts-tsc)	20s
Verify changes (react-tsx)	21s
Verify changes (guides/test-runner/watch-and-debug)	19s
Verify changes (lit-element-ts-esbuild)	20s
Verify changes (guides/test-runner/playwright)	19s
Verify changes (visual-regression)	19s
Verify changes (snowpack-lit)	18s
Verify changes (puppeteer)	28s
	7m 31s

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