v5.1.0

📚 PR:

• Bump fastify-plugin from 2.3.4 to 3.0.0
• Bump standard from 14.3.4 to 15.0.0
• Bump snazzy from 8.0.0 to 9.0.0
• Bump tsd from 0.13.1 to 0.14.0
• Merge pull request #60 from fastify/dependabot/npm_and_yarn/tsd-0.14.0
• feat: add stale (#53)
• Bump standard from 15.0.1 to 16.0.1 (#58)
• chore: add dependabot automerge (#59)
• chore(gitignore): use latest github ignore template (#62)
• ci(dependabot): update github actions (#63)
• Bump actions/setup-node from v1 to v2.1.5 (#65)
• Bump fastify/github-action-merge-dependabot from v1 to v2.0.0 (#64)
• chore: ci updates and style change (#66)
• Bump tap from 14.11.0 to 15.0.0 (#67)
• Bump @types/node from 14.14.42 to 15.0.0 (#68)
• ci: add nodejs v16 to test matrix (#69)
• Bump tsd from 0.14.0 to 0.15.0 (#70)
• Bump actions/checkout from 2 to 2.3.4 (#71)
• Bump fastify/github-action-merge-dependabot from 2.0.0 to 2.1.0 (#72)
• Bump tsd from 0.15.1 to 0.16.0 (#73)
• Bump fastify/github-action-merge-dependabot from 2.1.0 to 2.1.1 (#74)
• Bump tsd from 0.16.0 to 0.17.0 (#75)
• Bump actions/setup-node from 2.1.5 to 2.2.0 (#76)
• Bump @types/node from 15.14.1 to 16.0.0 (#77)
• Bump fastify/github-action-merge-dependabot from 2.1.1 to 2.2.0 (#78)
• Bump actions/setup-node from 2.2.0 to 2.3.0 (#79)