chore(deps): update dependency @web/test-runner-puppeteer to v0.18.0 #4409

Job	Run time
Verify changes (lit-element)	18s
Verify changes (playwright)	19s
Verify changes (preact-jsx)	18s
Verify changes (puppeteer)	19s
Verify changes (lit-element-ts-tsc)	1s
Verify changes (preact-htm)	17s
Verify changes (mock-es-module)	18s
Verify changes (lit-element-ts-esbuild)	18s
Verify changes (import-maps)	17s
Verify changes (html-test)	19s
Verify changes (visual-regression)	17s
Verify changes (guides/test-runner/watch-and-debug)	19s
Verify changes (preact-tsx)	19s
Verify changes (saucelabs)	20s
Verify changes (guides/test-runner/typescript)	20s
Verify changes (guides/test-runner/responsive)	19s
Verify changes (react-jsx)	17s
Verify changes (guides/test-runner/playwright)	18s
Verify changes (snowpack-react)	19s
Verify changes (snowpack-lit)	18s
Verify changes (snowpack-svelte)	19s
Verify changes (react-htm)	19s
Verify changes (react-tsx)	1s
Verify changes (guides/test-runner/getting-started)	1s
	6m 30s

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