Update Test & linting packages

Author: renovate[bot]

package.json

@@ -15,10 +15,10 @@
   },
   "devDependencies": {
     "eslint": "7.32.0",
-    "eslint-plugin-ghost": "2.11.0",
-    "mocha": "8.4.0",
+    "eslint-plugin-ghost": "3.4.0",
+    "mocha": "10.5.1",
     "should": "13.2.3",
-    "sinon": "11.1.2"
+    "sinon": "18.0.0"
   },
   "dependencies": {
     "@tryghost/admin-api": "^1.7.0",