Submesh residuum output for TH2M and TRM processes

See merge request !4393

_local_assemblers were renamed to local_assemblers_, too, because the
assembly mixin requires a common name for that field.

... make it resusable for submesh residuum output.

... working with submeshes

[ci] Update wheel and docs

See merge request ogs/ogs!4462

[ci] Fix build wheel job

See merge request ogs/ogs!4460

See

- https://github.com/NixOS/patchelf/issues/446
- https://github.com/NixOS/patchelf/issues/446#issuecomment-1398304182

Investigation ninja on Windows may be worth a try in the future.

[web] Updated docs on ccache.

See merge request ogs/ogs!4458

Thanks to Joel Rosdahl (https://github.com/jrosdahl) for reporting!

Remove t=0/dt=1 settings for initial residuum

See merge request ogs/ogs!4453

[utils] Raster conversion tool

See merge request ogs/ogs!4452

[ci] Win fixes

See merge request ogs/ogs!4456