Wazuh packages redesign tier 1 - Use secret for AWS region

[Tostti]

Description

Iit is needed for all repositories involved in the Packages redesign objective to add an authentication step to AWS, so the workflows do not use a hardcoded region

The secret name is: CI_AWS_REGION

      - name: Set up AWS CLI
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-access-key-id: ${{ secrets.CI_INTERNAL_DEVELOPMENT_BUCKET_USER_ACCESS_KEY }}
          aws-secret-access-key: ${{ secrets.CI_INTERNAL_DEVELOPMENT_BUCKET_USER_SECRET_KEY }}
          aws-region: ${{ secrets.CI_AWS_REGION }}