Add github actions workflow for unused deps (#7681)

Signed-off-by: Rodolfo Olivieri <rodolfo.olivieri3@gmail.com>

crates/goose-acp/Cargo.toml

@@ -46,14 +46,12 @@ serde = { workspace = true, features = ["derive"] }
 tower-http = { workspace = true, features = ["cors"] }
 tracing-subscriber = { workspace = true, features = ["env-filter", "json"] }
 async-stream = { workspace = true }
-bytes = { workspace = true }
 http-body-util = "0.1.3"
 uuid = { workspace = true, features = ["v7"] }
 schemars = { workspace = true, features = ["derive"] }
 goose-acp-macros = { path = "../goose-acp-macros" }
 
 [dev-dependencies]
-assert-json-diff = "2.0.2"
 async-trait = { workspace = true }
 goose-test-support = { path = "../goose-test-support" }
 wiremock = { workspace = true }
@@ -61,3 +59,7 @@ tempfile = { workspace = true }
 test-case = { workspace = true }
 axum = { workspace = true }
 rmcp = { workspace = true, features = ["transport-streamable-http-server"] }
+
+[package.metadata.cargo-machete]
+# Used to provide extras imports for sacp
+ignored = ["agent-client-protocol-schema"]