fix: adresser les commentaires Copilot sur cspell

- Épingler les versions cspell (9.7.0) et @cspell/dict-fr-fr (2.3.2)
- Relever engines.node à >=20.18.0 (requis par cspell)
- Simplifier lint:spell pour utiliser la config cspell.json (inclut CONTRIBUTING.md)
- Ajouter "wurth" au dictionnaire custom

Author: nedseb

.cspell/steami.txt

@@ -147,6 +147,7 @@ Kingbright
 Longlife
 STMicroelectronics
 Wurth
+wurth
 Elektronik
 Winstar
 Molex

package-lock.json

@@ -21,7 +21,7 @@
     "lint:js:fix": "eslint --fix .",
     "lint:links": "docker run --rm -v $PWD:/input lycheeverse/lychee --config /input/.lychee.toml --root-dir /input/static '/input/docs/**/*.md' '/input/README.md'",
     "lint:examples": "npm run prebuild && python3 scripts/validate-code-examples.py",
-    "lint:spell": "cspell \"docs/**/*.md\" \"README.md\"",
+    "lint:spell": "cspell",
     "prepare": "husky"
   },
   "dependencies": {
@@ -36,11 +36,11 @@
   "devDependencies": {
     "@commitlint/cli": "20.5.0",
     "@commitlint/config-conventional": "20.5.0",
-    "@cspell/dict-fr-fr": "^2.3.2",
+    "@cspell/dict-fr-fr": "2.3.2",
     "@docusaurus/module-type-aliases": "3.9.2",
     "@docusaurus/types": "3.9.2",
     "@eslint/js": "9.39.4",
-    "cspell": "^9.7.0",
+    "cspell": "9.7.0",
     "eslint": "9.39.4",
     "eslint-plugin-react": "7.37.5",
     "git-precommit-checks": "3.1.0",
@@ -76,6 +76,6 @@
     "*.{json,css,yml,yaml}": "prettier --check"
   },
   "engines": {
-    "node": ">=20.17.0"
+    "node": ">=20.18.0"
   }
 }