add feature CHANGELOG entry for grpc-web (#9301)

Co-authored-by: Amaury <[email protected]>

CHANGELOG.md

@@ -41,6 +41,7 @@ if input key is empty, or input data contains empty key.
 
 ### Features
 
+* [\#8077](https://github.com/cosmos/cosmos-sdk/pull/8077) Added support for grpc-web, enabling browsers to communicate with a chain's gRPC server
 * [\#8965](https://github.com/cosmos/cosmos-sdk/pull/8965) cosmos reflection now provides more information on the application such as: deliverable msgs, sdk.Config info etc (still in alpha stage).
 * [\#8559](https://github.com/cosmos/cosmos-sdk/pull/8559) Added Protobuf compatible secp256r1 ECDSA signatures.
 * [\#8786](https://github.com/cosmos/cosmos-sdk/pull/8786) Enabled secp256r1 in x/auth.
@@ -137,7 +138,6 @@ if input key is empty, or input data contains empty key.
 * (keyring) [#\8635](https://github.com/cosmos/cosmos-sdk/issues/8635) Remove hardcoded default passphrase value on `NewMnemonic`
 * (x/bank) [\#8434](https://github.com/cosmos/cosmos-sdk/pull/8434) Fix legacy REST API `GET /bank/total` and `GET /bank/total/{denom}` in swagger
 * (x/slashing) [\#8427](https://github.com/cosmos/cosmos-sdk/pull/8427) Fix query signing infos command
-* (server) [\#8399](https://github.com/cosmos/cosmos-sdk/pull/8399) fix gRPC-web flag default value
 * (x/bank) [\#9229](https://github.com/cosmos/cosmos-sdk/pull/9229) Now zero coin balances cannot be added to balances & supply stores. If any denom becomes zero corresponding key gets deleted from store.
 
 ### Deprecated