docs: prepare for v14.0.0-rc1 (#2813)

* update release notes

* cleanup .changelog entries

Author: mpoke

.changelog/v14.0.0/api-breaking/2809-bump-ics.md

@@ -2,12 +2,12 @@
 
 ## 📝 Changelog
 
-Check out the [changelog](https://github.com/cosmos/gaia/blob/v14.0.0/CHANGELOG.md) for a list of relevant changes or [compare all changes](https://github.com/cosmos/gaia/compare/v13.0.1...v14.0.0) from last release.
+Check out the [changelog](https://github.com/cosmos/gaia/blob/v14.0.0/CHANGELOG.md) for a list of relevant changes or [compare all changes](https://github.com/cosmos/gaia/compare/v13.0.2...v14.0.0) from last release.
 
 
 ## 🚀 Highlights
 
-This release upgrade ICS to [v2.2.0-provider-lsm](https://github.com/cosmos/interchain-security/tree/v2.2.0-provider-lsm) adding the cryptographic verification of equivocation feature and deprecating the equivocation proposals.
+This release upgrade ICS to [v2.3.0-provider-lsm](https://github.com/cosmos/interchain-security/tree/v2.3.0-provider-lsm) adding the cryptographic verification of equivocation feature and deprecating the equivocation proposals.
 
 
 ## 🔨 Build from source