chore(docs): clarify connection method via BrowserType.connect

[agg23]

BrowserType.connect usage was very unclear on how to use. Clarify this.

[github-actions]

Test results for "tests 1"

2 failed
❌ [webkit-library] › tests/library/video.spec.ts:441:5 › screencast › should work for popups @webkit-ubuntu-22.04-node18
❌ [webkit-page] › tests/page/page-leaks.spec.ts:161:5 › waitFor should not leak @webkit-ubuntu-22.04-node18

12 flaky

⚠️ [chromium-library] › tests/library/trace-viewer.spec.ts:1100:1 › should serve overridden request @chromium-ubuntu-22.04-node20
⚠️ [firefox-page] › tests/page/page-evaluate.spec.ts:403:3 › should throw for too deep reference chain @firefox-ubuntu-22.04-node18
⚠️ [chromium-library] › tests/library/video.spec.ts:379:5 › screencast › should capture navigation @ubuntu-20.04-chromium-tip-of-tree
⚠️ [webkit-library] › tests/library/defaultbrowsercontext-2.spec.ts:28:3 › should work in persistent context @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/proxy.spec.ts:178:3 › should exclude patterns @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/screenshot.spec.ts:55:14 › page screenshot › should work with a mobile viewport and clip @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/screenshot.spec.ts:278:14 › element screenshot › should restore viewport after page screenshot and exception @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/signals.spec.ts:25:5 › should close the browser when the node process closes @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-leaks.spec.ts:82:5 › click should not leak @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-leaks.spec.ts:107:5 › fill should not leak @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-set-input-files.spec.ts:147:3 › should upload large file @webkit-ubuntu-22.04-node18
⚠️ [playwright-test] › tests/ui-mode-test-watch.spec.ts:145:5 › should watch all @windows-latest-node18-1

37723 passed, 654 skipped
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Merge workflow run.