go.mod: bump osbuild/images to 0.55

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

@@ -59,7 +59,7 @@ additionalimagestores = [
 # can deduplicate pulling of content, disk storage of content and can allow the
 # kernel to use less memory when running containers.
 
-# containers/storage supports three keys
+# containers/storage supports four keys
 #   * enable_partial_images="true" | "false"
 #     Tells containers/storage to look for files previously pulled in storage
 #     rather then always pulling them from the container registry.
@@ -70,7 +70,12 @@ additionalimagestores = [
 #     Tells containers/storage where an ostree repository exists that might have
 #     previously pulled content which can be used when attempting to avoid
 #     pulling content from the container registry
-pull_options = {enable_partial_images = "false", use_hard_links = "false", ostree_repos=""}
+#   * convert_images = "false" | "true"
+#     If set to true, containers/storage will convert images to a
+#     format compatible with partial pulls in order to take advantage
+#     of local deduplication and hard linking.  It is an expensive
+#     operation so it is not enabled by default.
+pull_options = {enable_partial_images = "true", use_hard_links = "false", ostree_repos=""}
 
 # Remap-UIDs/GIDs is the mapping from UIDs/GIDs as they should appear inside of
 # a container, to the UIDs/GIDs as they should appear outside of the container,
@@ -130,6 +135,9 @@ mountopt = "nodev"
 # Set to skip a PRIVATE bind mount on the storage home directory.
 # skip_mount_home = "false"
 
+# Set to use composefs to mount data layers with overlay.
+# use_composefs = "false"
+
 # Size is used to set a maximum size of the container image.
 # size = ""