webpack external ressources loading on windows fail with bad path

[elevatebart]

Current behavior

When importing a custom font within a css file, the path to load the said font is malformed (see repro)

Desired behavior

Be able to use custom fonts on tests windows

Test code to reproduce

On windows
Checkout https://github.com/elevatebart/cy-load-fonts
yarn install
yarn cy

Versions

"cypress": "^7.1.0",
"@cypress/vue": "^2.0.0",
"@cypress/webapck-dev-server": "^1.1.3",

[cypress-bot]

The code for this is done in cypress-io/cypress#16099, but has yet to be released.
We'll update this issue and reference the changelog when it's released.