chore(deps): update tailwindcss monorepo to ^4.2.1 (#723)

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

Author: renovate[bot]

apps/docs/package.json

@@ -45,12 +45,12 @@
         "@o2s/lint-staged-config": "*",
         "@o2s/prettier-config": "*",
         "@o2s/typescript-config": "*",
-        "@tailwindcss/postcss": "^4.1.18",
+        "@tailwindcss/postcss": "^4.2.1",
         "@trivago/prettier-plugin-sort-imports": "^6.0.2",
         "autoprefixer": "^10.4.24",
         "postcss": "^8.5.6",
         "prettier": "^3.8.1",
-        "tailwindcss": "^4.1.18",
+        "tailwindcss": "^4.2.1",
         "typescript": "5.9.3"
     },
     "browserslist": {

apps/frontend/package.json

@@ -93,7 +93,7 @@
         "prettier": "^3.8.1",
         "sass": "^1.97.3",
         "shx": "^0.4.0",
-        "tailwindcss": "^4.1.18",
+        "tailwindcss": "^4.2.1",
         "tsx": "^4.21.0",
         "typescript": "^5.9.3"
     },