1.21 (#2384)

* 1.21

* CHANGELOG

* Babe EquivocationProof

* Update CHANGELOG.md

packages/metadata/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "1.21.0-beta.4",
+  "version": "1.21.0",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "publishConfig": {
@@ -27,8 +27,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.10.3",
-    "@polkadot/types": "1.21.0-beta.4",
-    "@polkadot/types-known": "1.21.0-beta.4",
+    "@polkadot/types": "1.21.0",
+    "@polkadot/types-known": "1.21.0",
     "@polkadot/util": "^2.15.1",
     "@polkadot/util-crypto": "^2.15.1",
     "bn.js": "^5.1.2"