chore(driver): roll to 1.64.0-beta-1791325510000

[Yury Semikhatsky (yury-s)]

Summary

• Roll driver to 1.64.0-beta-1791325510000 and regenerate the API.

Ported upstream changes:

• chore(trace): use a single id for calls and test runner steps playwright#42430 call ids are strings on the wire (ClientSideCallMetadata.id), Connection now generates <prefix>@<n> ids.
• feat(api): add APIRequestContext.addCookies playwright#43032 / #43052 APIRequestContext.addCookies(), cookies() and clearCookies().
• feat(api): return Disposable from Tracing.start and Tracing.startChunk playwright#42970 Tracing.start() / Tracing.startChunk() return AutoCloseable.
• feat(locator): add locator.within() playwright#42887 Locator.within().
• feat(locator): add page.getByRef playwright#43055 Page.getByRef().
• feat(content): add includeShadow option to page.content() playwright#42845 includeShadow option for Page.content() / Frame.content().
• feat(video): allow recording video at a custom fps playwright#42752 recordVideoFps context option and Screencast.StartOptions.fps.
• feat(screencast): style action decorations, keep cursor visible playwright#42758 Screencast.ShowActionsOptions.style (ScreencastActionStyle, alias from docs(screencast): alias showActions style for all languages playwright#43164).
• feat(webauthn): add signCount to virtual credentials playwright#43041 signCount on virtual credentials.

Also fixed Screencast.ShowActionsOptions.cursor, which was never sent to the driver.

Skipped (JS-only or internal): WebMCP (#42979, #42981, #43080, langs: js), coverage (#42684, #42785, #43030, #43060), recorder split (#42627), fetch error code (#42562, #43039), exposeFunctions (#42860), URLPattern (#42920), locator generator/parser and aria snapshot rendering (#42780, #42811, #42819, #42895, #43170, #43171, #43172), IndexedDB Map/Set (#42707), MCP and trace viewer (#42668, #42712), browser rolls, reverted PRs (#42635/#43040, #42709/#43029, #42547/#43074).