Update dependencies to version 6.0.0-beta across all packages

Author: lcharette

package.json

@@ -4,10 +4,10 @@
     "private": true,
     "type": "module",
     "dependencies": {
-        "@userfrosting/sprinkle-account": "^6.0.0-alpha",
-        "@userfrosting/sprinkle-admin": "^6.0.0-alpha",
-        "@userfrosting/sprinkle-core": "^6.0.0-alpha",
-        "@userfrosting/theme-pink-cupcake": "^6.0.0-alpha",
+        "@userfrosting/sprinkle-account": "^6.0.0-beta",
+        "@userfrosting/sprinkle-admin": "^6.0.0-beta",
+        "@userfrosting/sprinkle-core": "^6.0.0-beta",
+        "@userfrosting/theme-pink-cupcake": "^6.0.0-beta",
         "axios": "^1.8.2",
         "pinia": "^2.1.6",
         "pinia-plugin-persistedstate": "^3.2.0",