build: explicitly list the members in the workspace

Signed-off-by: Esteve Fernandez <esteve@apache.org>

Author: esteve

Cargo.toml

@@ -1,4 +1,12 @@
 [workspace]
-members = ["rclrs", "examples/*"]
-exclude = ["examples/rclrs_example_msgs"]
+members = [
+  "rclrs",
+  "examples/logging_demo",
+  "examples/message_demo",
+  "examples/minimal_client_service",
+  "examples/minimal_pub_sub",
+  "examples/parameter_demo",
+  "examples/rust_pubsub",
+  "examples/worker_demo",
+]
 resolver = "2"