* chore: go get -u ./...
* chore: go mod tidy
* chore: go mod vendor
* chore: fix compilation for buildkit >= 0.15.0
* chore: upgrade to Go 1.24
* chore: upgrade the Debian container used in an integration test
* Vendor changes for go-containerregistry switch.
* Manual changes for go-containerregistry switch.
The biggest change is refactoring the tarball unpacking.
* Pull more of container-diff out.
* More vendor removals.
* More unit tests.
Michael Plump
Priya Wadhwa
dlorenc