Release 0.50.0

• chore!: drop node14 support (ee1f63b)
• chore(deps): bump deps (46af8e6)
• chore(deps-dev): bump mqtt from 4.3.7 to 5.0.0 (#882) (d0507b6)
• fix(types): added module declaration (#879) (f6387a8)
• chore(deps-dev): bump tsd from 0.27.0 to 0.28.0 (#817) (5075e0a)
• chore(deps-dev): bump tsd from 0.26.1 to 0.27.0 (#814) (db74fcb)
• chore(deps-dev): bump typescript from 4.9.5 to 5.0.2 (#816) (7ee823e)
• docs: add security notice for message validity (#815) (f4198b7)
• chore(deps-dev): bump tsd from 0.25.0 to 0.26.0 (#813) (6ed8417)