BigBlueButton Webhooks v2.6.1

What's Changed

• build: update Dockerfile to Node 18 by @lfzawacki in #28
• build: update lockfile to v3 and engines.node to (>= 12, <= 20)
• build: move nock, body-parser and sinon to dev dependencies
• build: npm audit --fix

New Contributors

• @lfzawacki made their first contribution in #28

Full Changelog: v2.6.0...v2.6.1