Update dependency mocha to v11

Author: renovate[bot]

actions/label-actions/package.json

@@ -19,7 +19,7 @@
     "c8": "7.13.0",
     "eslint": "8.39.0",
     "eslint-plugin-ghost": "2.16.0",
-    "mocha": "10.2.0",
+    "mocha": "11.6.0",
     "should": "13.2.3",
     "sinon": "15.0.4"
   },