Update dependency mocha to v11 (#142)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "chai": "^5.1.1",
     "eslint": "^9.18.0",
     "knip": "^5.43.3",
-    "mocha": "^10.8.2",
+    "mocha": "^11.0.0",
     "spellchecker-cli": "^7.0.0",
     "stylelint": "^16.10.0",
     "stylelint-config-standard": "^36.0.1",