fix yaml indentation

Author: KodrAus

.github/workflows/rust.yml

@@ -74,21 +74,20 @@ jobs:
           args: --no-run
 
   msrv:
-      name: MSRV
-      runs-on: ubuntu-latest
-      steps:
-          - name: Checkout sources
-            uses: actions/checkout@v2
+    name: MSRV
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
 
       - name: Install Rust toolchain
-        run: |
-          rustup default 1.56.0
+        run: rustup default 1.56.0
 
       - name: Default features
         uses: actions-rs/cargo@v1
         with:
-            command: build
-            args: -Z avoid-dev-deps --features example_generated
+          command: build
+          args: -Z avoid-dev-deps --features example_generated
 
   embedded:
     name: Build (embedded)