Fix indentation in new MSRV job

Also, make indentation style consistent between both jobs

Author: cole14

.github/workflows/rust.yml

@@ -13,13 +13,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
-    - name: Build no_std
-      run: cargo build --no-default-features
+      - uses: actions/checkout@v3
+      - name: Build
+        run: cargo build --verbose
+      - name: Run tests
+        run: cargo test --verbose
+      - name: Build no_std
+        run: cargo build --no-default-features
 
   msrv-all:
     runs-on: ubuntu-latest
@@ -29,5 +29,5 @@ jobs:
         run: rustup update 1.62.1 && rustup default 1.62.1
       - name: Test
         run: cargo test --verbose
-    - name: Build no_std
-      run: cargo build --no-default-features
+      - name: Build no_std
+        run: cargo build --no-default-features