Refactor CI workflow to correctly set environment variables with proper indentation

Author: khavnekar-y

.github/workflows/snowpark-ci-cd.yml

@@ -20,8 +20,8 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          - name: Set environment variables
-          run: |
+      - name: Set environment variables
+        run: |
             echo "AWS_ACCESS_KEY=${{ secrets.AWS_ACCESS_KEY }}" >> $GITHUB_ENV
             echo "AWS_SECRET_KEY=${{ secrets.AWS_SECRET_KEY }}" >> $GITHUB_ENV
             if [[ "${{ github.ref }}" == "refs/heads/main" ]]; then