feat: support variant files (#400)

* feat: support variant files

Adapt error messages

Adapt to rattler-build breaking changes

Update rattler-build

Add implementation and tests

Update patch

Update lock file

Update dependencies

Update pixi.lock

Update cargo.lock

Update pixi.lock

Address comments

Update lockfile

Hook up zip_keys

Only consider variant files if the list isn't empty

Update lock file

Update lock

Reverse the order of the variant files so that the first file has the highest priority.

* Add ?

Author: Hofer-Julian

.gitignore

@@ -40,8 +40,10 @@ pixi-build-python-output/
 __pycache__/
 *.pyc
 
+# Agents
 *.local*
+AGENTS.md
 
 # Python
 *.pyc
-__pycache__/
+__pycache__/