v2.1.0

Features

• Added TypeScript definitions (#18, #19): e3a48de, bcbe1c1
  Thank you @maraisr~!

Patches

• Protect against prototype pollution: a4b8a93
  Skip assignments to keys named __proto__, constructor, or prototype.
  Versions between 1.0.0 and 2.0.1 (inclusive) are now marked as deprecated.
  Thank you @arjunshibu~!

Chores

• Replace TravisCI with GitHub action: 2245341, 22827ac, 2a73d30
• Replace tape with uvu for tests: 17476b9, fc1c385
• Add benchmark w/ results: 5053399, 50a6ead, 10990bb
• Golf/Reduce code size (198B -> 190B): 8065a48, 25a8749
• Import bundt builder: d02290f