Subject: [quicwg/base-drafts] 56e9e1: Add master to fallback path for new branches

From: Mike Bishop <[email-masked]>
Date: Mon, 09 Sep 2019 08:35:59 -0700

Branch: refs/heads/circle_caching
  Home:   https://github.com/quicwg/base-drafts
  Commit: 56e9e1a6515ac1ea6e882a83c48d7149070bdd17
      https://github.com/quicwg/base-drafts/commit/56e9e1a6515ac1ea6e882a83c48d7149070bdd17
  Author: Mike Bishop <[email-masked]>
  Date:   2019-09-09 (Mon, 09 Sep 2019)

  Changed paths:
    M .circleci/config.yml

  Log Message:
  -----------
  Add master to fallback path for new branches

Newly-created branches are most likely to have been based on master; if no cache exists for a repo, take master as the starting point