Update changelog for v8.0.3

CHANGELOG.md

@@ -3,6 +3,10 @@
 ## Current Develop Branch
 
 ## 8.0.3 Mon Jul 06 2020
+- [#8921](https://github.com/MetaMask/metamask-extension/pull/8921): Restore missing 'data' provider event, and fix 'notification' event
+- [#8923](https://github.com/MetaMask/metamask-extension/pull/8923): Normalize the 'from' parameter for `eth_sendTransaction`
+- [#8924](https://github.com/MetaMask/metamask-extension/pull/8924): Fix handling of multiple `eth_requestAccount` messages from the same domain
+- [#8917](https://github.com/MetaMask/metamask-extension/pull/8917): Update Italian translations
 
 ## 8.0.2 Fri Jul 03 2020
 - [#8907](https://github.com/MetaMask/metamask-extension/pull/8907): Tolerate missing or falsey substitutions