Add checkout step

Author: adamchalmers

.github/workflows/CI.yml

@@ -11,6 +11,7 @@ jobs:
     name: Run book tests
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@v4
     - name: Install Rust
       uses: actions-rust-lang/setup-rust-toolchain@v1
     - name: Build tester
@@ -27,8 +28,7 @@ jobs:
     name: Spell Check with Typos
     runs-on: ubuntu-latest
     steps:
-    - name: Checkout Actions Repository
-      uses: actions/checkout@v4
+    - uses: actions/checkout@v4
     - name: Spell Check Repo
       uses: crate-ci/[email protected]