v6.0.0

📚 PR:

• Updated benchmarks
• Bump fast-proxy from 1.8.0 to 2.0.0
• Merge pull request #135 from fastify/dependabot/npm_and_yarn/fast-proxy-2.0.0
• faster ws-prefix-rewrite test (#137)
• chore(gitignore): use latest github ignore template (#138)
• ci(dependabot): update github actions (#139)
• Bump actions/setup-node from v1 to v2.1.5 (#141)
• Bump fastify/github-action-merge-dependabot from v1 to v1.2.1 (#140)
• Bump socket.io-client from 3.1.2 to 4.0.0 (#143)
• Bump socket.io from 3.1.2 to 4.0.0 (#142)
• Bump fastify/github-action-merge-dependabot from v1.2.1 to v2.0.0 (#144)
• chore: ci updates and style change (#146)
• Added setting of methods for proxying (#149)
• Updated tap@15 (#150)
• docs(readme): minor grammar changes (#151)
• ci: add nodejs v16 to test matrix (#153)
• Bump @types/node from 14.14.42 to 15.0.0 (#154)
• Bump tsd from 0.14.0 to 0.15.0 (#156)
• Bump actions/checkout from 2 to 2.3.4 (#157)
• Bump fastify/github-action-merge-dependabot from 2.0.0 to 2.1.0 (#158)
• Bump tsd from 0.15.1 to 0.16.0 (#159)
• Bump fastify/github-action-merge-dependabot from 2.1.0 to 2.1.1 (#160)
• Bump tsd from 0.16.0 to 0.17.0 (#161)
• Bump fastify-reply-from from 5.3.0 to 6.0.0 (#162)
• feat: drop node v10 support (#163)