Update dependencies (#727)

Author: fisker

package.json

@@ -49,19 +49,19 @@
 	"devDependencies": {
 		"@ava/babel": "^1.0.1",
 		"@lubien/fixture-beta-package": "^1.0.0-beta.1",
-		"@typescript-eslint/parser": "^2.30.0",
-		"ava": "^3.8.1",
+		"@typescript-eslint/parser": "^2.33.0",
+		"ava": "^3.8.2",
 		"babel-eslint": "^10.1.0",
 		"chalk": "^4.0.0",
 		"eslint": "^7.0.0",
 		"eslint-ava-rule-tester": "^4.0.0",
 		"eslint-plugin-eslint-plugin": "^2.2.1",
-		"execa": "^4.0.0",
+		"execa": "^4.0.1",
 		"listr": "^0.14.3",
 		"nyc": "^15.0.1",
 		"outdent": "^0.7.1",
 		"pify": "^5.0.0",
-		"typescript": "^3.8.3",
+		"typescript": "^3.9.2",
 		"vue-eslint-parser": "^7.0.0",
 		"xo": "^0.30.0"
 	},