build(deps): bump @polkadot/types from 10.11.2 to 10.12.4 (#970)

Bumps [@polkadot/types](https://github.com/polkadot-js/api/tree/HEAD/packages/types) from 10.11.2 to 10.12.4.
- [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/v10.12.4/packages/types)

---
updated-dependencies:
- dependency-name: "@polkadot/types"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -19,7 +19,7 @@
     "@bull-board/express": "^5.15.2",
     "@polkadot/api": "^10.11.2",
     "@polkadot/keyring": "^12.6.2",
-    "@polkadot/types": "^10.11.2",
+    "@polkadot/types": "^10.12.4",
     "@polkadot/util": "^12.6.2",
     "@polkadot/util-crypto": "^12.6.2",
     "@sentry/integrations": "^7.108.0",