Bump testcafe from 3.7.2 to 3.7.3#22

dependabot[bot] wants to merge 1 commit intomasterassertthat/assertthat-testcafe-demo:masterfrom

dependabot/npm_and_yarn/testcafe-3.7.3assertthat/assertthat-testcafe-demo:dependabot/npm_and_yarn/testcafe-3.7.3Copy head branch name to clipboard