Clean up packages and old references to eslint config (#158)

* Update dependencies and configuration files

- Upgrade Lucide React to version 0.475.0
- Update Markdoc to version 0.5.0
- Bump ESLint to version 9.20.0
- Update Tailwind CSS to version 4.0.5
- Add import-in-the-middle to Sentry package
- Remove import-in-the-middle and require-in-the-middle from web app
- Update browserslist configuration
- Remove eslintConfig from web app package.json
- Add ESLint configuration template for package generator

packages/cms/keystatic/package.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "@keystatic/core": "0.5.43",
     "@keystatic/next": "^5.0.2",
-    "@markdoc/markdoc": "^0.4.0"
+    "@markdoc/markdoc": "^0.5.0"
   },
   "devDependencies": {
     "@kit/cms-types": "workspace:*",