docs(circleci): Add CircleCI to troubleshooting docs (#4810)
docs(circleci): Add CircleCI to troubleshooting docs (#4810)

This came from personal difficulties in running Puppeteer tests on CircleCI. I tried to keep the note as brief as possible, while being helpful for an entire CI platform.
puppeteer/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer,GoogleChrome/puppeteer,GoogleChrome/puppeteer