build(deps): bump polkadot-api from 0.11.2 to 0.12.0

Bumps [polkadot-api](https://github.com/polkadot-api/polkadot-api) from 0.11.2 to 0.12.0.
- [Release notes](https://github.com/polkadot-api/polkadot-api/releases)
- [Changelog](https://github.com/polkadot-api/polkadot-api/blob/main/NEWS.md)
- [Commits](https://github.com/polkadot-api/polkadot-api/compare/[email protected]@0.12.0)

---
updated-dependencies:
- dependency-name: polkadot-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

apps/example/package.json

@@ -15,7 +15,7 @@
     "@walletconnect/modal": "^2.6.2",
     "@walletconnect/universal-provider": "^2.14.0",
     "date-fns": "^3.6.0",
-    "polkadot-api": "^0.11.2",
+    "polkadot-api": "^0.12.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-error-boundary": "^4.0.13",

packages/core/package.json

@@ -48,13 +48,13 @@
     "@walletconnect/modal": "^2.6.2",
     "@walletconnect/universal-provider": "^2.14.0",
     "eslint": "^9.8.0",
-    "polkadot-api": "^0.11.2",
+    "polkadot-api": "^0.12.0",
     "typescript": "^5.5.4"
   },
   "peerDependencies": {
     "@walletconnect/modal": "2.x",
     "@walletconnect/universal-provider": "2.x",
-    "polkadot-api": "^0.11.2"
+    "polkadot-api": "^0.12.0"
   },
   "peerDependenciesMeta": {
     "@walletconnect/modal": {

packages/react/package.json

@@ -44,7 +44,7 @@
     "@tsconfig/strictest": "^2.0.5",
     "@types/react": "^18.3.3",
     "eslint": "^9.8.0",
-    "polkadot-api": "^0.11.2",
+    "polkadot-api": "^0.12.0",
     "react": "^18.3.1",
     "typescript": "^5.5.4"
   },