security: npm audit fix for GHSA-hfm8-9jrf-7g9w et. al (#1098)

* security: npm audit fix for GHSA-hfm8-9jrf-7g9w et. al

Closes #1097

I'm not sure that this is required, but I'd sleep better at night not
finding out that it is required the hard way.

Signed-off-by: Xe Iaso <[email protected]>

* chore: bump postcss version

Signed-off-by: Xe Iaso <[email protected]>

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Signed-off-by: Xe Iaso <[email protected]>

Author: Xe