fix(pg-v5): dropbox regex (#1399)
fix(pg-v5): dropbox regex (#1399)

The previous regex used unescaped `.` thus allowing more than it should.
Also, `https://www.dropbox.com` could be anywhere in the URL.
heroku/heroku-cli,heroku/cli,heroku/cli,heroku/heroku-cli,heroku/heroku-cli,heroku/heroku-cli,heroku/cli,heroku/cli