Convert references acceptance tests to use fetch-utils

GitOrigin-RevId: 9adebf1926a406af6a6dfbd3a091a4d8fd8764da

package-lock.json

@@ -44243,6 +44243,7 @@
         "request": "^2.88.2"
       },
       "devDependencies": {
+        "@overleaf/fetch-utils": "*",
         "bson": "^1.1.5",
         "chai": "^4.3.6",
         "chai-as-promised": "^7.1.1",
@@ -52934,6 +52935,7 @@
     "@overleaf/references": {
       "version": "file:services/references",
       "requires": {
+        "@overleaf/fetch-utils": "*",
         "@overleaf/logger": "*",
         "@overleaf/metrics": "*",
         "@overleaf/o-error": "*",