chore(deps): update dependency beercss to v3.9.0

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

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
 		"@sveltejs/package": "2.3.7",
 		"@sveltejs/vite-plugin-svelte": "3.1.2",
 		"@types/eslint": "8.56.12",
-		"beercss": "3.6.13",
+		"beercss": "3.9.0",
 		"eslint": "8.57.1",
 		"eslint-config-prettier": "9.1.0",
 		"eslint-plugin-svelte": "2.46.0",