Update description for Slack link (#523)
Update description for Slack link (#523)

Signed-off-by: Dan Luhring <b16d090995fee4f0877f0f02fd6d605f1ecf7c3c@anchore.com>
anchore/syft,anchore/syft,anchore/syft,anchore/syft,anchore/syft,anchore/syft,anchore/syft