fix(deps): update dependency addons-linter to v3.20.0 (#2318)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package-lock.json

@@ -59,7 +59,7 @@
   "dependencies": {
     "@babel/runtime": "7.13.9",
     "@devicefarmer/adbkit": "2.11.3",
-    "addons-linter": "3.14.0",
+    "addons-linter": "3.20.0",
     "bunyan": "1.8.15",
     "camelcase": "6.2.0",
     "chrome-launcher": "0.14.0",