build(deps): update femtovg requirement from 0.7 to 0.8

[dependabot]

Updates the requirements on femtovg to permit the latest version.

Release notes

Sourced from femtovg's releases.

0.8.0

This is the 0.8.0 release published to crates.io

Changelog

Sourced from femtovg's changelog.

[0.8.0] - 2022-11-02

• Re-release 0.7.2 with major version bump. 0.7.2 was yanked because glow is a re-exported public dependency, that was bumped.

[0.7.2] - 2022-11-02

• Bump internal dependencies.

[0.7.1] - 2022-06-14

• Fix performance regression when drawing unclipped image path fills.

[0.7.0] - 2022-05-26

Changed

• Path drawing functions now take a &Path instead of a &mut Path and use interior mutability for caching.

[0.6.0] - 2022-02-06

Changed

• Changed linear_gradient_stops and radial_gradient_stops to take an IntoIterator instead of a slice slice for the color stops.

[0.5.0] - 2022-02-06

Added

• added a new Size struct, having a width and a height.
• added size function to Image type, which returns both, width and height as a Size

Changed

• Renamed draw_glyph_cmds to draw_glyph_commands.
• Renamed DrawCmd to DrawCommand.
• set_transform takes a value of type Transform2D now instead of a parameter list.
• dimensions of ImageSource returns a new Size type now.

[0.4.0] - 2022-01-27

Added

• OpenGl::new_from_function_cstr to create the renderer from a GL loading function that takes an &std::ffi::CStr.

Fixed

... (truncated)

Commits

• 176cfc2 Release 0.8.0 instead of 0.7.2 due to glow
• a4a7bd3 Release 0.7.2 with bumped dependencies
• 205314a Build docs on docs.rs with glutin enabled
• 9a8702b Bump rustybuzz and glow dependencies
• 46fdb65 Update rustybuzz requirement from 0.10.0 to 0.11.0
• 72afe56 Update lru requirement from 0.11.0 to 0.12.0
• 0736d42 Update svg requirement from 0.13.0 to 0.14.0
• 43d9ff7 fix: Canvas.width() and Canvas.height() now return u32 values #44
• e507e4d docs: link to book from README.md
• f9f1b18 docs: updated book examples, text and links to compile and work with the late...
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