ci: fix typo in YAML for Alpine build

Author: striezel

.github/workflows/alpine.yml

@@ -14,7 +14,7 @@ jobs:
           apk add git
           git config --global --add safe.directory "$GITHUB_WORKSPACE"
       # Checks-out the repository under $GITHUB_WORKSPACE.
-      - Name: Checkout
+      - name: Checkout
         uses: actions/checkout@v5
         with:
           fetch-depth: 0