test: convert license text file to LF line endings (#4438)
test: convert license text file to LF line endings (#4438)

See #4320 (comment).

Should fix the checkout problems on Unix file systems.
GoogleChrome/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer,GoogleChrome/puppeteer