v0.1.20 Release

[Unreleased]

[v0.1.20] - 2020-12-11

Alpine

• 98d3828: switch to JSON security DB

Chore

• 2313419: v0.1.20 changelog bump

Cicd

• 97fa28b: use CI golang image from quay.io

Docs

• 00d4fcc: fix couple typos in libvuln_usage.md

Rhel

• baff663: ignore rhel-7-alt OVAL stream