Update Playwright MCP upstream to v0.0.82

Summary

A newer upstream Playwright MCP release is available.

Component	Current	Latest	Update needed
npm `@playwright/mcp`	`0.0.81`	`0.0.82`	yes
Docker `mcr.microsoft.com/playwright/mcp`	`v0.0.80`	`v0.0.82`	yes

Update @playwright/mcp in package.json and package-lock.json.
Update mcr.microsoft.com/playwright/mcp references in Dockerfile, workflows, docs, and parity scripts.
Run npm run check, npm run docker:build, npm run docker:smoke, and npm run bridge:compare.
Update the version compatibility table in README and documentation.

🎬 Smooth 60 fps, styleable videos — browser_start_video (opt-in via --caps=devtools) takes fps, so fps: 60 records smooth 60 fps videos instead of the default 25, and cursor: true renders an animated mouse cursor that travels to each action point and stays visible between actions. browser_video_show_actions takes a style with point, highlight and title CSS declarations; the action point marker and the target highlight are now only shown when styled. (microsoft/playwright#42752, microsoft/playwright#42758)
🧰 WebMCP tools become real MCP tools — the tools a page registers through the WebMCP API now show up right in the tool list as webmcp_<tool>, with the page's own input schema and annotations, so an agent can call them directly and let the page do the work instead of driving its UI. The list follows the current tab, and clients get a tools/list_changed notification when it changes. This replaces browser_webmcp_list / browser_webmcp_call from v0.0.81, which are no longer exposed over MCP. Tool names, descriptions, schemas and results come from the page, so treat them as untrusted input. Pass --no-webmcp (config webmcp: false, env PLAYWRIGHT_MCP_WEBMCP=false) to opt out. WebMCP is experimental, see WebMCP in Chrome for how to enable it. (microsoft/playwright#42671)
🌗 Switch between light and dark color scheme (microsoft/playwright#42243) — an agent working on a dark theme had no way to see

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This issue was created automatically by the Playwright MCP upstream monitor workflow.