fix: add support for TypeScript 5 (#585)

Author: benmccann

package.json

@@ -106,7 +106,7 @@
     "stylus": "^0.55.0",
     "sugarss": "^2.0.0 || ^3.0.0 || ^4.0.0",
     "svelte": "^3.23.0",
-    "typescript": "^3.9.5 || ^4.0.0"
+    "typescript": ">=3.9.5 || ^4.0.0 || ^5.0.0"
   },
   "peerDependenciesMeta": {
     "@babel/core": {