update changelog entry

RELEASE_NOTES.md

@@ -1,17 +1,12 @@
-# Replicated Security v4.1.0  Release Notes
+# Replicated Security v4.1.1  Release Notes
 
 <!--
   Please indicate whether this release is relevant to consumers or providers.
 -->
 ❗ ***Note this release is ONLY relevant to providers***
 
 ## 📝 Changelog
-Check out the [changelog](https://github.com/cosmos/interchain-security/blob/v4.1.0/CHANGELOG.md) for a list of relevant changes or [compare all changes](https://github.com/cosmos/interchain-security/compare/v4.0.0...v4.1.0) from last release.
+Check out the [changelog](https://github.com/cosmos/interchain-security/blob/v4.1.1/CHANGELOG.md) for a list of relevant changes or [compare all changes](https://github.com/cosmos/interchain-security/compare/v4.1.0...v4.1.1) from last release.
 
 <!-- Add the following line for major releases -->
 Refer to the [upgrading guide](https://github.com/cosmos/interchain-security/blob/release/v4.1.x/UPGRADING.md) when migrating from `v4.0.x` to `v4.1.x`.
-
-## 🚀 Highlights
-This release introduces epochs that reduce the costs of relaying IBC packets for ICS.
-In addition it introduces queries to retrieve the send timestamp of the oldest unconfirmed VSCPacket by chain id and
-for current values of all provider parameters.