chore(deps): update tailwindcss monorepo to v4.1.8 (#2038)

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

Author: renovate[bot]

package.json

@@ -83,7 +83,7 @@
     "@primer/octicons-react": "19.15.2",
     "@primer/primitives": "10.7.0",
     "@primer/react": "36.27.0",
-    "@tailwindcss/postcss": "4.1.7",
+    "@tailwindcss/postcss": "4.1.8",
     "@testing-library/jest-dom": "6.6.3",
     "@testing-library/react": "16.3.0",
     "@testing-library/user-event": "14.6.1",
@@ -116,7 +116,7 @@
     "semver": "7.7.2",
     "styled-components": "6.1.18",
     "tailwind-merge": "3.3.0",
-    "tailwindcss": "4.1.7",
+    "tailwindcss": "4.1.8",
     "terser-webpack-plugin": "5.3.14",
     "ts-jest": "29.3.4",
     "ts-loader": "9.5.2",