feat: upgrade cspell from 6.31.3 to 8.12.1

Snyk has created this PR to upgrade cspell from 6.31.3 to 8.12.1.

See this package in npm:
cspell

See this project in Snyk:
https://app.snyk.io/org/cachiman/project/17fcec1f-cb06-40f1-9b58-ac968788e27d?utm_source=github-cloud-app&utm_medium=referral&page=upgrade-pr

package.json

@@ -81,7 +81,7 @@
   },
   "devDependencies": {
     "autoprefixer": "^10.4.14",
-    "cspell": "^6.31.1",
+    "cspell": "^8.12.1",
     "gulp": "^4.0.2",
     "hugo-extended": "0.115.4",
     "markdownlint": "^0.29.0",