test: add formatting

.forgejo/workflows/check_and_lint.yaml

@@ -4,10 +4,16 @@ jobs:
     runs-on: docker
     steps:
       - uses: actions/checkout@v4
-      - uses: https://github.com/dtolnay/rust-toolchain@stable
+      - uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
-      - uses: https://github.com/Swatinem/rust-cache@v2
-        with:
-          shared-key: forge_automate_amd64
-          save-if: ${{ github.ref = 'refs/heads/main' }}
-
       - run: cargo test
+
+  formatting:
+    name: cargo fmt
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v4
+      - uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+      - name: Rustfmt Check
+        uses: https://github.com/actions-rust-lang/rustfmt@v1