docs/website: fix broken chef-puppet with vault blog link (#7850)
docs/website: fix broken chef-puppet with vault blog link (#7850)

Signed-off-by: Colton McCurdy <e350c072cd003e0ce827ffb70cb46534f876b320@gmail.com>
rnaveiras/vault,kingland/vault,hartsock/vault,rnaveiras/vault,kingland/vault,hashicorp/vault,hashicorp/vault,kingland/vault,joelthompson/vault,hartsock/vault,joelthompson/vault,kingland/vault,hashicorp/vault,quixoten/vault,rnaveiras/vault,quixoten/vault,rnaveiras/vault,rnaveiras/vault,quixoten/vault,hashicorp/vault,hashicorp/vault,hartsock/vault,kingland/vault,quixoten/vault,joelthompson/vault,hartsock/vault,hartsock/vault,hashicorp/vault,joelthompson/vault