Update cspell to 9.6.4 and update the dictionaries list (#1869)

Author: whitphx

cspell.json

@@ -14,6 +14,7 @@
     "npm",
     "cpp",
     "cpp-refined",
+    "cpp-compound-words",
     "fullstack",
     "html",
     "css",

package.json

@@ -20,7 +20,7 @@
   "devDependencies": {
     "@changesets/changelog-github": "^0.5.2",
     "@changesets/cli": "^2.29.8",
-    "cspell": "^9.4.0",
+    "cspell": "^9.6.4",
     "husky": "^9.1.7",
     "lint-staged": "^16.2.7",
     "typescript": "^5.9.2"