node-sass calc($val) issue

Prerequisites

• I have searched for duplicate or closed issues
• I have validated any HTML to avoid common problems
• I have read the contributing guidelines

Describe the issue

Reduced test cases

https://codepen.io/danny007in/pen/LYJBqKa

solution is https://stackoverflow.com/questions/17982111/sass-variable-in-css-calc-function

What operating system(s) are you seeing the problem on?

Windows

What browser(s) are you seeing the problem on?

Chrome

What version of Bootstrap are you using?

v5.3.0-alpha1