Align Data.Raw decoding with Substrate (32-bytes) (#3573)

* Align Data.Raw decoding with Substrate (32-bytes)

* CHANGELOG

* Encoding test updates

* provider.disconnect

* Adjust provider tests

* Unique connection URLs

* Dangling tests

* detectOpenHandles

* Additional

* Remove rx test (catered for by Promise wrap)

* Additional cleanups to tests

packages/typegen/package.json

@@ -33,7 +33,7 @@
     "@polkadot/metadata": "4.11.3-0",
     "@polkadot/rpc-provider": "4.11.3-0",
     "@polkadot/types": "4.11.3-0",
-    "@polkadot/util": "^6.5.1",
+    "@polkadot/util": "^6.5.2-1",
     "handlebars": "^4.7.7",
     "websocket": "^1.0.34",
     "yargs": "^17.0.1"