feat: with rust workspaces

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/cuddle-please-release-strategy/Cargo.toml

@@ -13,11 +13,13 @@ anyhow.workspace = true
 tracing.workspace = true
 serde.workspace = true
 semver.workspace = true
+cargo_metadata = "0.17.0"
 
 [dev-dependencies]
 tracing-test = { workspace = true, features = ["no-env-filter"] }
 pretty_assertions.workspace = true
 tempdir.workspace = true
+serde_json.workspace = true
 
 [features]
 rust-workspace = []
@@ -27,5 +29,6 @@ json-edit = []
 yaml-edit = []
 
 default = [
-  "json-edit"
+  "json-edit",
+  "rust-workspace"
 ]