tailwindcss 4.0.4

Fix a crash when setting JS theme values to null (#16210)
Ensure escaped underscores in CSS variables in arbitrary values are properly unescaped (#16206)
Ensure that the containers JS theme key is added to the --container-* namespace (#16169)
Ensure theme @keyframes are generated even if an --animation-* variable spans multiple lines (#16237)
Vite: Skip parsing stylesheets with the ?commonjs-proxy flag (#16238)
Fix order-first and order-last for Firefox (#16266)
Fix support for older instruction sets on Linux x64 builds of the standalone CLI (#16244)
Ensure NODE_PATH is respected when resolving JavaScript and CSS files (#16274)
Ensure Node addons are packaged correctly with FreeBSD builds (#16277)
Fix an issue where @variant inside a referenced stylesheet could cause a stack overflow (#16300)