v3.5.0

📚 PR:

• #55 - Replace Travis with Github actions
• Reverted to keeping Node 6 for now
• #57 - Moved tests over to use fastify inject (#58)
• #55 - Replace Travis with Github actions (#59)
• chore(package): update @types/node to version 13.1.0 (#50)
• Add 'none' option to CookieSerializeOptions.sameSite (#62)