`s-table__bx` has a 2px gap between cell borders

[kylejrp]

Describe the bug
When using s-table__bx, it turns the appropriate right/left borders the color transparent. However, they still have their original width of 1px. This means that there is a 2px gap between borders:

To Reproduce

Zoom in on the example table:
https://stackoverflow.design/product/components/tables/#horizontal-borders

Or in Stack Overflow's post timeline:
https://stackoverflow.com/posts/50534533/timeline

Expected behavior
The horizontal lines should not have any breaks in them:

Desktop (please complete the following information):

• OS: Windows 10
• Browser: Chrome
• Version: 105.0.5195.127 (Official Build) (64-bit) (cohort: Stable)

Additional context
🤠

[ondrejkonec]

Hi @kylejrp,
I've created Pull request #1130 to solve this bugs.