Fix indentation.

.github/workflows/pr.yml

@@ -32,18 +32,18 @@ jobs:
           command: test
           args: --workspace
 
-    fmt:
-      name: Rustfmt
-      runs-on: ubuntu-latest
-      steps:
-        - uses: actions/checkout@v2
-        - uses: actions-rs/toolchain@v1
-          with:
-            profile: minimal
-            toolchain: stable
-            override: true
-        - run: rustup component add rustfmt
-        - uses: actions-rs/cargo@v1
-          with:
-            command: fmt
-            args: --all -- --check
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check