Tweak workflow step name

.gitea/workflows/check-lint.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v3
 
-      - name: Install stable toolchain
+      - name: Install Rust stable toolchain
         uses: https://github.com/actions-rs/toolchain@v1
         with:
           profile: minimal