chore(deps): update rust crate rstest to 0.20.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rstest	dev-dependencies	minor	0.19.0 -> 0.20.0

---

Release Notes

la10736/rstest (rstest)

v0.20.0

Compare Source

Add

• Implemented #[by_ref] attribute to take get a local lifetime for test arguments.
  See #​241 for more details. Thanks to
  @​narpfel for suggesting it and useful discussions.
• Support for import rstest with another name. See #​221

Fixed

• Don't remove Lifetimes from test function if any. See #​230
  #​241 for more details.
• PathBuf does no longer need to be
  in scope when using #[files] (see #​242)
• #[from(now::accept::also::path::for::fixture)] See #​246
  for more details

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.