Rebuild for 5.15.8

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-webservice.

I've rerendered the recipe as instructed in #238.

Here's a checklist to do before merging.

• [ ] Bump the build number if needed.

[conda-forge-webservices[bot]]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[chennes]

@hmaarrfk is this on hold for something? We've got some bugs in FreeCAD Conda that I believe this merge will squash.

[hmaarrfk]

i forget. I think it just wanted to pin qt-webengine and qt-main together.