Merge pull request GoogleChrome#621 from GoogleChrome/dependabot/npm_and_yarn/ava-3.15.0

Bump ava from 3.14.0 to 3.15.0

Author: AVGP

package-lock.json

@@ -61,7 +61,7 @@
     "@types/supertest": "^2.0.10",
     "@typescript-eslint/parser": "^4.14.2",
     "@typescript-eslint/eslint-plugin": "^4.15.0",
-    "ava": "^3.14.0",
+    "ava": "^3.15.0",
     "eslint": "^7.19.0",
     "nodemon": "^2.0.6",
     "prettier": "^2.2.1",