feat: ink! v5 (#5791)

* adds definitions and types according to ink v5 changes

* adds toV5 boilerplate code draft

* adds v5 flipper test contract code

* fix license dates

* adds test v5 toLatest test

* implements new scheme to determine event

* apply linter changes

* adds test result outputs

* change `EventRecord['topics'][0]` type to plain `Hash`

* adds testcases for decoding payload data of a ink!v4 and ink!v5 event

* changes `Abi.decodeEvent(data:Bytes)` method interface to `Abi.decodeEvent(record:EventRecord)` which includes the event and the topic for decoding.

* draft implementation with version metadata

* cleaner implementation of versioned Metadata by actually leveraging the `version` field included since v2 contract metadata

* trying to make linter happy

* makes `ContractMetadataSupported` in internal to `Abi` type and not exposing it externally.

* properly types unused parameter for tsc 🤷

* adds `@polkadot/types-support` dev dependency

* Update yarn.lock

* references `types-support` in `api-contract

* resolving change requests

* resolves linter warnings

* changes ContractMetadataV5 field to `u64` from `Text`

* adds contracts and contract metadata compiled with the most recent ink version

* implements decoding of anonymous events if possible

* removes done todo comments

packages/api-contract/package.json

@@ -33,6 +33,7 @@
   },
   "devDependencies": {
     "@polkadot/api-augment": "10.11.3",
-    "@polkadot/keyring": "^12.6.2"
+    "@polkadot/keyring": "^12.6.2",
+    "@polkadot/types-support": "10.11.3"
   }
 }