fix(replay): Keep session active on key press

[mydea]

This ensures the session remains active when a user presses a key.

This is a minimal implementation for now. IMHO we should maybe look into capturing key presses for keyboard shortcuts, but we need to make sure to avoid capturing user input into text fields this way etc.

Related to #6532

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser - ES5 CDN Bundle (gzipped + minified)	21.01 KB (+0.01% 🔺)
@sentry/browser - ES5 CDN Bundle (minified)	65.62 KB (0%)
@sentry/browser - ES6 CDN Bundle (gzipped + minified)	19.55 KB (+0.01% 🔺)
@sentry/browser - ES6 CDN Bundle (minified)	58.08 KB (0%)
@sentry/browser - Webpack (gzipped + minified)	21.16 KB (0%)
@sentry/browser - Webpack (minified)	69.03 KB (0%)
@sentry/react - Webpack (gzipped + minified)	21.18 KB (0%)
@sentry/nextjs Client - Webpack (gzipped + minified)	49.09 KB (0%)
@sentry/browser + @sentry/tracing - ES5 CDN Bundle (gzipped + minified)	28.64 KB (+0.01% 🔺)
@sentry/browser + @sentry/tracing - ES6 CDN Bundle (gzipped + minified)	26.86 KB (+0.01% 🔺)
@sentry/replay ES6 CDN Bundle (gzipped + minified)	46.91 KB (+0.09% 🔺)
@sentry/replay - Webpack (gzipped + minified)	40.71 KB (+0.11% 🔺)
@sentry/browser + @sentry/tracing + @sentry/replay - ES6 CDN Bundle (gzipped + minified)	65.79 KB (+0.09% 🔺)
@sentry/browser + @sentry/replay - ES6 CDN Bundle (gzipped + minified)	58.69 KB (+0.1% 🔺)