v3.3.1

📚 PR:

• bumped fastify@3.0.0-rc.4
• bumped fastify@3.0.0
• Update fastify to v3 (#44)
• Bump simple-get from 3.1.0 to 4.0.0 (#47)
• Bump nock from 9.6.1 to 12.0.3 (#50)
• Bump tap from 12.7.0 to 14.10.7 (#48)
• Bump simple-oauth2 from 1.6.0 to 3.4.0 (#49)
• Bump nock from 12.0.3 to 13.0.0 (#54)