v3.9.0

What's Changed

• ci(validate-workflows-files): restrict job permissions by @Fdawgs in #86
• ci(validate-workflow-files): bump action-validator by @Fdawgs in #88
• feat: add plugins-benchmark-pr.yml by @Uzlopak in #90
• build(deps): bump actions/checkout from 3 to 4 by @dependabot in #94
• chore: add .gitattributes file by @Fdawgs in #95
• docs: add permissions in readme by @Eomm in #96
• chore: add node21 to the test matrix by @Uzlopak in #100
• improve workflow with fastify-integration job by @Uzlopak in #99
• build(deps): bump actions/setup-node from 3 to 4 by @dependabot in #102
• build(deps): bump asdf-vm/actions from 2 to 3 by @dependabot in #101

Full Changelog: v3.8.1...v3.9.0