Copy refactorings

[normanrz]

Description:

• Uses UPath(..., endpoint_url="..") instead of UPath(..., client_kwargs={"endpoint_url":".."})
• Adds more restrictions on fs-based mag copy
• Disables conditional writes in tensorstore

Todos:

• Updated Changelog

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
9356	7841	84%	80%	🟢

New Files

No new covered files...

Modified Files

File	Coverage	Status
webknossos/webknossos/cli/_utils.py	60%	🟢
webknossos/webknossos/dataset/_array.py	88%	🟢
webknossos/webknossos/dataset/layer.py	88%	🟢
webknossos/webknossos/utils.py	72%	🟢
TOTAL	77%	🟢

updated for commit: d4a2827 by action🐍

[normanrz]

There seems to be an issue on this branch with coverage reporting, which leads to a dirty repository in the CI. I need more time to debug this, so I extracted the conditional-write-disable into #1368.