chore(deps): bump styled-components from 6.3.8 to 6.3.9

[dependabot]

Bumps styled-components from 6.3.8 to 6.3.9.

Release notes

Sourced from styled-components's releases.

styled-components@6.3.9

Patch Changes

• ca61aca: Fix CSS block comments containing // (e.g. URLs) causing subsequent styles to not be applied.
• a2cd792: Fix createGlobalStyle styles not being removed when unmounted in RSC environments. React 19's precedence attribute on style tags makes them persist as permanent resources; global styles now render without precedence so they follow normal component lifecycle.
• dbe0aae: In RSC environments, theme is now undefined instead of {} for styled components, matching the existing behavior of withTheme and createGlobalStyle. This ensures accessing theme properties without a ThemeProvider correctly throws rather than silently returning undefined.
• 1888c73: Fix withTheme HOC types: ref now correctly resolves to the component instance type instead of the constructor, and theme is properly optional in the wrapped component's props.
• f84f3fa: Fix SSR styles hydration and global style cleanup in Shadow DOM
• 43a5b4b: Optimize internal style processing hot paths: cached GroupedTag index lookups, string fast path in flatten, direct string concatenation in dynamic style generation, pre-built stylis middleware chain with lazy RegExp creation, single-lookup Map operations, VirtualTag append fast-path, and manual string concat in SSR output.
• 788e8c0: Revert exports field and restore browser/server build split with browser field in package.json. Fixes require('stream') resolution errors in browser bundlers like webpack 5.

Commits

• b5bb591 Version Packages (#5647)
• f84f3fa fix: Shadow DOM SSR Hydration Support (#5656)
• 43a5b4b perf: optimize internal style processing hot paths
• 788e8c0 fix: revert exports field and restore browser/server build split
• a2cd792 fix: remove precedence from createGlobalStyle RSC output for proper unmount
• 1888c73 fix: improve withTheme HOC type safety and eliminate double type cast
• dbe0aae fix: make OverrideStyle compatible with React 19 and return undefined theme i...
• ca61aca fix: handle // inside CSS block comments and strip orphaned */
• 5d25740 chore: update gitignore, agent instructions, and benchmark deps
• 5448bad chore: alias agent instructions for claude
• Additional commits viewable in compare view

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