test: re-title fmt-rust to be more descriptive

Author: ErichDonGubler

.github/workflows/ci.yml

@@ -60,8 +60,8 @@ jobs:
         with:
           command: test
 
-    name: Rustfmt
   fmt-rust:
+    name: Format Rust with `cargo fmt`
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     runs-on: ubuntu-latest
     strategy: