Merge branch 'cargo-test-workspace-option' into 'master'

Replace --all with --workspace on cargo test.

See merge request gitlab-org/gitlab!33517

changelogs/unreleased/ci-rust-cargo-test-workspace-option.yml

+---
+title: "Rust CI template: Replace --all with --workspace on cargo test."
+merge_request: 33517
+author: Markus Becker
+type: fixed

lib/gitlab/ci/templates/Rust.gitlab-ci.yml

@@ -20,4 +20,4 @@ image: "rust:latest"
 test:cargo:
   script:
     - rustc --version && cargo --version  # Print version info for debugging
-    - cargo test --all --verbose
+    - cargo test --workspace --verbose