fix(hub): Add missing parameter to captureException docstring

[lobsterkatie]

Our current docstring is missing the captureContext parameter. This adds it.

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser - ES5 CDN Bundle (gzipped + minified)	18.35 KB (-8.87% 🔽)
@sentry/browser - ES5 CDN Bundle (minified)	57.52 KB (-10.98% 🔽)
@sentry/browser - ES6 CDN Bundle (gzipped + minified)	17.13 KB (-9.19% 🔽)
@sentry/browser - ES6 CDN Bundle (minified)	51.75 KB (-10.73% 🔽)
@sentry/browser - Webpack (gzipped + minified)	20.94 KB (-9.88% 🔽)
@sentry/browser - Webpack (minified)	72.5 KB (-11.28% 🔽)
@sentry/react - Webpack (gzipped + minified)	20.98 KB (-9.89% 🔽)
@sentry/nextjs Client - Webpack (gzipped + minified)	45.97 KB (-4.34% 🔽)
@sentry/browser + @sentry/tracing - ES5 CDN Bundle (gzipped + minified)	24.13 KB (-7.45% 🔽)
@sentry/browser + @sentry/tracing - ES6 CDN Bundle (gzipped + minified)	22.64 KB (-7.52% 🔽)