Updates to the v1.5.1 branch#1

ryanwilsonperkin wants to merge 6 commits intobranch-v1.5.1Shopify/changesets-action:branch-v1.5.1from

branch-v1.5.1-with-updatesShopify/changesets-action:branch-v1.5.1-with-updatesCopy head branch name to clipboard