Bump acorn from 6.2.1 to 6.3.0

Bumps [acorn](https://github.com/acornjs/acorn) from 6.2.1 to 6.3.0.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/6.2.1...6.3.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -2010,9 +2010,9 @@
 			}
 		},
 		"acorn": {
-			"version": "6.2.1",
-			"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.2.1.tgz",
-			"integrity": "sha512-JD0xT5FCRDNyjDda3Lrg/IxFscp9q4tiYtxE1/nOzlKCk7hIRuYjhq1kCNkbPjMRMZuFq20HNQn1I9k8Oj0E+Q==",
+			"version": "6.3.0",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
+			"integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
 			"dev": true
 		},
 		"acorn-globals": {

package.json

@@ -59,7 +59,7 @@
 		"@babel/plugin-syntax-dynamic-import": "^7.2.0",
 		"@babel/preset-env": "^7.5.5",
 		"@vue/test-utils": "^1.0.0-beta.29",
-		"acorn": "^6.2.1",
+		"acorn": "^6.3.0",
 		"babel-eslint": "^10.0.2",
 		"babel-jest": "^24.9.0",
 		"babel-loader": "^8.0.6",