chore(deps): update dependency mocha to v10

Author: renovate[bot]

package.json

@@ -52,10 +52,10 @@
     "@sourcegraph/eslint-config": "^0.37.1",
     "@sourcegraph/prettierrc": "^2.2.0",
     "@sourcegraph/tsconfig": "^4.0.1",
-    "@types/mocha": "9.1.1",
+    "@types/mocha": "10.0.10",
     "eslint": "^9.2.0",
     "husky": "^2.1.0",
-    "mocha": "^9.2.2",
+    "mocha": "^10.8.2",
     "nyc": "^14.1.0",
     "prettier": "^2.8.8",
     "semantic-release": "^15.13.3",