chore: add caret polkadot-api dependency

package.json

@@ -44,7 +44,7 @@
     "clsx": "^2.1.1",
     "idb-keyval": "^6.2.2",
     "lucide-react": "^1.8.0",
-    "polkadot-api": "2.0.0",
+    "polkadot-api": "^2.0.0",
     "polkahub": "^0.5.1",
     "react": "^19.2.5",
     "react-dom": "^19.2.5",

pnpm-lock.yaml

@@ -104,7 +104,7 @@ importers:
         specifier: ^1.8.0
         version: 1.8.0(react@19.2.5)
       polkadot-api:
-        specifier: 2.0.0
+        specifier: ^2.0.0
         version: 2.0.0(bufferutil@4.1.0)(esbuild@0.25.12)(rxjs@7.8.2)(utf-8-validate@6.0.6)
       polkahub:
         specifier: ^0.5.1