Correct CompactAssignments & RawSolution types for Polkadot (#3705)

* Correct `CompactAssignments` & `RawSolution` types for Polkadot

* Default to Solution 16

packages/api-contract/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "4.16.1",
+  "version": "4.16.2",
   "type": "module",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
@@ -20,8 +20,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.14.6",
-    "@polkadot/api": "4.16.1",
-    "@polkadot/types": "4.16.1",
+    "@polkadot/api": "4.16.2",
+    "@polkadot/types": "4.16.2",
     "@polkadot/util": "^6.10.1",
     "@polkadot/x-rxjs": "^6.10.1"
   }

packages/api-contract/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/api-contract', version: '4.16.1' };
+export const packageInfo = { name: '@polkadot/api-contract', version: '4.16.2' };