upgrade svelte-select to v6

bun.lock

@@ -20,7 +20,7 @@
         "sqids": "0.3.0",
         "svelte": "^5.53.12",
         "svelte-check": "^4.4.5",
-        "svelte-select": "^5.8.3",
+        "svelte-select": "^6",
         "tslib": "^2.8.1",
         "typescript": "^5.9.3",
         "vite": "^8.0.0",
@@ -487,7 +487,7 @@
 
     "svelte-floating-ui": ["svelte-floating-ui@1.5.8", "", { "dependencies": { "@floating-ui/core": "^1.5.0", "@floating-ui/dom": "^1.5.3" } }, "sha512-dVvJhZ2bT+kQDHlE4Lep8t+sgEc0XD96fXLzAi2DDI2bsaegBbClxXVNMma0C2WsG+n9GJSYx292dTvA8CYRtw=="],
 
-    "svelte-select": ["svelte-select@5.8.3", "", { "dependencies": { "svelte-floating-ui": "1.5.8" } }, "sha512-nQsvflWmTCOZjssdrNptzfD1Ok45hHVMTL5IHay5DINk7dfu5Er+8KsVJnZMJdSircqtR0YlT4YkCFlxOUhVPA=="],
+    "svelte-select": ["svelte-select@6.0.0", "", { "dependencies": { "svelte-floating-ui": "1.5.8" }, "peerDependencies": { "svelte": ">=5" } }, "sha512-WJ1UDw0a1Z3I7oVFgaCS7G9D2rCSmYAPpufNEj/DNuk5Oyb2a5dju6F36o0urBVw9bTE3WkM9cZkI0x+Sfo8Bg=="],
 
     "svelte2tsx": ["svelte2tsx@0.7.52", "", { "dependencies": { "dedent-js": "^1.0.1", "scule": "^1.3.0" }, "peerDependencies": { "svelte": "^3.55 || ^4.0.0-next.0 || ^4.0 || ^5.0.0-next.0", "typescript": "^4.9.4 || ^5.0.0" } }, "sha512-svdT1FTrCLpvlU62evO5YdJt/kQ7nxgQxII/9BpQUvKr+GJRVdAXNVw8UWOt0fhoe5uWKyU0WsUTMRVAtRbMQg=="],