test: refactor crashReporter tests (#23178)

package.json

@@ -9,6 +9,7 @@
     "@octokit/rest": "^16.3.2",
     "@primer/octicons": "^9.1.1",
     "@types/basic-auth": "^1.1.3",
+    "@types/busboy": "^0.2.3",
     "@types/chai": "^4.2.11",
     "@types/chai-as-promised": "^7.1.2",
     "@types/dirty-chai": "^2.0.2",
@@ -139,7 +140,6 @@
     ]
   },
   "dependencies": {
-    "@types/multiparty": "^0.0.32",
     "@types/temp": "^0.8.34"
   }
-}
+}