build: update chromedriver to v91

Author: olivierwilkinson

package.json

@@ -41,7 +41,7 @@
     "@wdio/mocha-framework": "^7.3.1",
     "@wdio/spec-reporter": "^7.3.1",
     "@wdio/sync": "^7.3.1",
-    "chromedriver": "^89.0.0",
+    "chromedriver": "^91.0.0",
     "eslint": "^7.6.0",
     "kcd-scripts": "^5.0.0",
     "npm-run-all": "^4.1.5",