Bump @polkadot/api-contract from 11.3.1 to 12.1.1 in /frontend

Bumps [@polkadot/api-contract](https://github.com/polkadot-js/api/tree/HEAD/packages/api-contract) from 11.3.1 to 12.1.1.
- [Release notes](https://github.com/polkadot-js/api/releases)
- [Changelog](https://github.com/polkadot-js/api/blob/master/CHANGELOG.md)
- [Commits](https://github.com/polkadot-js/api/commits/HEAD/packages/api-contract)

---
updated-dependencies:
- dependency-name: "@polkadot/api-contract"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

frontend/package.json

@@ -14,7 +14,7 @@
     "@727-ventures/typechain-types": "^1.1.2",
     "@hookform/resolvers": "^3.3.4",
     "@polkadot/api": "^11.0.2",
-    "@polkadot/api-contract": "^11.0.2",
+    "@polkadot/api-contract": "^12.1.1",
     "@polkadot/extension-dapp": "^0.47.3",
     "@polkadot/extension-inject": "^0.47.3",
     "@polkadot/keyring": "^12.6.2",