chore(deps): bump femtovg from 0.21.0 to 0.23.0

[dependabot]

Bumps femtovg from 0.21.0 to 0.23.0.

Release notes

Sourced from femtovg's releases.

v0.23.0

What's Changed

• Add support for variable fonts by @​tronical in femtovg/femtovg#268

Full Changelog: femtovg/femtovg@v0.22.0...v0.23.0

v0.22.0

What's Changed

• wgpu: Improve interface for rendering by @​tronical in femtovg/femtovg#267

Full Changelog: femtovg/femtovg@v0.21.0...v0.22.0

Changelog

Sourced from femtovg's changelog.

[0.23.0] - 2026-03-30

• Added variable font support. New methods on Paint: set_font_weight(), set_font_italic(), set_font_slant(), and generic set_font_variation() with corresponding getters, with_ builders, and clear_ methods.
• Added named font weight constants on Paint (FONT_WEIGHT_THIN through FONT_WEIGHT_BLACK).
• Added Canvas::font_variation_axes() to query available variation axes for variable fonts, and new VariationAxisInfo public type.
• Breaking: Canvas::fill_glyph_run() and Canvas::stroke_glyph_run() now take an additional normalized_coords: &[i16] parameter for variable font axis positions. Pass &[] for default behavior.
• Replaced bundled Roboto with Roboto Flex for examples and added slant support with italic fallback.

[0.22.0] - 2026-03-26

• WGPU: Changed API from flush_to_surface() to flush_to_output() and accept a type that can be converted to a new WGPURenderOutput struct, making it possible to render into texture views.
• WGPU: Simplified CommandBuffer to be an Option<>, so that it can be passed to queue's submit() without additional wrapping.

Commits

• 967b2ce Release 0.23
• 5e315a7 Add named font weight constants to Paint
• e66cb01 Accept normalized coordinates in glyph run drawing functions
• 16447a7 Document that font variation values are in design space, not normalized
• 0b61afd Replace Roboto with Roboto Flex, add slant support and italic fallback
• 11dd79d Generalize font variations: replace font_weight with FontVariations
• 5cb6a85 Add font_weight example demonstrating dynamic variable font weights
• 9b81428 Add variable font support via font_weight on Paint
• d49a878 Release 0.22
• d084a37 Simplify flush_to_output() with WGPU
• Additional commits viewable in compare view

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