ci: add license for containerd-sandbox

Signed-off-by: Zhang Tianyang <burning9699@gmail.com>

crates/sandbox/Cargo.toml

@@ -2,6 +2,14 @@
 name = "containerd-sandbox"
 version = "0.1.0"
 edition = "2021"
+authors = ["The Kuasar Authors"]
+keywords = ["containerd", "kuasar"]
+description = "containerd shim extension"
+
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+homepage.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html