Merge branch 'release-v4.2'

CHANGELOG.md

 # Changelog
 
-## Unreleased
+## 4.2.0 (2021-06-30)
 
  * `ERC20Votes`: add a new extension of the `ERC20` token with support for voting snapshots and delegation. ([#2632](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2632))
  * `ERC20VotesComp`: Variant of `ERC20Votes` that is compatible with Compound's `Comp` token interface but restricts supply to `uint96`. ([#2706](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2706))

contracts/package.json

 {
   "name": "@openzeppelin/contracts",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.1.0",
+  "version": "4.2.0",
   "files": [
     "**/*.sol",
     "/build/contracts/*.json",

package.json

 {
   "name": "openzeppelin-solidity",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.1.0",
+  "version": "4.2.0",
   "files": [
     "/contracts/**/*.sol",
     "/build/contracts/*.json",