fix: use container skopeo (#110)

the `os_version` is defaulting to the `image_tag` inside containers and
causing our template to use latest tag

---------

Co-authored-by: Gerald Pinder <gmpinder@gmail.com>

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = [ "utils", "recipe","template"]
+members = ["utils", "recipe", "template"]
 
 [workspace.package]
 description = "A CLI tool built for creating Containerfile templates based on the Ublue Community Project"
@@ -56,7 +56,7 @@ colorized = "1"
 env_logger = "0.11"
 fuzzy-matcher = "0.3"
 open = "5"
-os_info = "3.7" # update os module config and tests when upgrading os_info
+os_info = "3.7"                                                     # update os module config and tests when upgrading os_info
 requestty = { version = "0.5", features = ["macros", "termion"] }
 shadow-rs = { version = "0.26" }
 urlencoding = "2.1.3"
@@ -80,6 +80,7 @@ serde_json.workspace = true
 serde_yaml.workspace = true
 typed-builder.workspace = true
 uuid.workspace = true
+once_cell = "1.19.0"
 
 [features]
 default = []