build(deps): bump github.com/containers/storage from 1.15.0 to 1.15.2

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.15.0 to 1.15.2.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.15.0...v1.15.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

vendor/github.com/containers/storage/storage.conf

@@ -58,9 +58,6 @@ additionalimagestores = [
 # mountopt specifies comma separated list of extra mount options
 mountopt = "nodev"
 
-# Set to skip a PRIVATE bind mount on the storage home directory.
-skip_mount_home = "false"
-
 # Size is used to set a maximum size of the container image.
 # size = ""