[Snyk] Security upgrade pdfkit from 0.5.2 to 0.5.3#9

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snyk-fix-3b43e9b3722a7620939a1f37b1bd7b47ryanmcmorrowsnyk/test-ruby-project:snyk-fix-3b43e9b3722a7620939a1f37b1bd7b47Copy head branch name to clipboard