Update dependency mocha to v10

Author: renovate[bot]

package.json

@@ -28,7 +28,7 @@
     "eslint-plugin-goodeggs": "^7.4.2",
     "flow-bin": "^0.186.0",
     "goodeggs-test-helpers": "^8.3.3",
-    "mocha": "^5.2.0"
+    "mocha": "^10.0.0"
   },
   "babel": {
     "presets": [