Update peer dependencies to allow React 17.x (#37)

Co-authored-by: Vadim Demedes <[email protected]>

Author: ptpaterson

package.json

@@ -33,7 +33,7 @@
 	},
 	"peerDependencies": {
 		"ink": "^3.0.5",
-		"react": "^16.8.2"
+		"react": "^16.5.2 || ^17.0.0"
 	},
 	"devDependencies": {
 		"@ava/babel": "^1.0.1",
@@ -52,7 +52,7 @@
 		"ink": "^3.0.5",
 		"ink-testing-library": "^2.0.0",
 		"prettier": "^2.0.5",
-		"react": "^16.8.2",
+		"react": "^17.0.0",
 		"sinon": "^7.2.7",
 		"typescript": "^3.9.7",
 		"xo": "^0.32.0"