This had prevented issue#22 from being fixed

Merge pull request 'Improved placement of power rail vias' (#21) from Sourcerer/lclayout:main into main

Reviewed-on: https://codeberg.org/librecell/lclayout/pulls/21

* instead introduce the `magscale` parameter for `MagicWriter`
* use `magscale` parameter in the tech-file to set the correct scale

This reverts commit f84b5b28.

This reverts commit 60392378.

Dict

This should be changed into an additional magscale parameter in the
.tech file instead