fix: packages/e2e-test/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-AJV-15274295
- https://snyk.io/vuln/SNYK-JS-QS-15268416

Author: snyk-io[bot]

packages/e2e-test/package.json

@@ -29,7 +29,7 @@
   "dependencies": {
     "@backstage/cli-common": "workspace:^",
     "@backstage/create-app": "workspace:^",
-    "@backstage/errors": "workspace:^",
+    "@backstage/errors": "0.1.1",
     "chalk": "^4.0.0",
     "commander": "^9.1.0",
     "cross-fetch": "^3.1.5",