docs: update changelog for v0.26.2 (#1986)

also, fixes release changes links in changelog

CHANGELOG.md

@@ -36,11 +36,16 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [unreleased]
 
+## [v0.26.2]
+
 ### Features
 - (cli) [#1954] Add `--unsafe-remove-modules` parameter flag to `rollback`
+- (opendb) [#1973] Support custom configurations for each database
+  see https://github.com/Kava-Labs/opendb/blob/a2f11f6d/README.md#individual-database-configuration
 
 ### Improvements
 - (rocksdb) [#1903] Bump cometbft-db dependency for use with rocksdb v8.10.0
+- (opendb) [#1967] Extract `opendb` package to its own repository
 
 ## [v0.26.1]
 
@@ -345,6 +350,8 @@ the [changelog](https://github.com/cosmos/cosmos-sdk/blob/v0.38.4/CHANGELOG.md).
 - [#257](https://github.com/Kava-Labs/kava/pulls/257) Include scripts to run
   large-scale simulations remotely using aws-batch
 
+[#1973]: https://github.com/Kava-Labs/kava/pull/1973
+[#1967]: https://github.com/Kava-Labs/kava/pull/1967
 [#1954]: https://github.com/Kava-Labs/kava/pull/1954
 [#1922]: https://github.com/Kava-Labs/kava/pull/1922
 [#1903]: https://github.com/Kava-Labs/kava/pull/1903
@@ -412,13 +419,14 @@ the [changelog](https://github.com/cosmos/cosmos-sdk/blob/v0.38.4/CHANGELOG.md).
 [#750]: https://github.com/Kava-Labs/kava/pull/750
 [#751]: https://github.com/Kava-Labs/kava/pull/751
 [#780]: https://github.com/Kava-Labs/kava/pull/780
-[unreleased]: https://github.com/Kava-Labs/kava/compare/v0.26.1...release/v0.26.x
-[v0.26.1]: https://github.com/Kava-Labs/kava/compare/v0.26.1...v0.26.0
-[v0.26.0]: https://github.com/Kava-Labs/kava/compare/v0.26.0...v0.25.1
-[v0.25.0]: https://github.com/Kava-Labs/kava/compare/v0.25.0...v0.24.3
-[v0.24.3]: https://github.com/Kava-Labs/kava/compare/v0.24.3...v0.24.1
-[v0.24.1]: https://github.com/Kava-Labs/kava/compare/v0.24.1...v0.24.0
-[v0.24.0]: https://github.com/Kava-Labs/kava/compare/v0.24.0...v0.23.2
+[unreleased]: https://github.com/Kava-Labs/kava/compare/v0.26.2...release/v0.26.x
+[v0.26.2]: https://github.com/Kava-Labs/kava/compare/v0.26.1...v0.26.2
+[v0.26.1]: https://github.com/Kava-Labs/kava/compare/v0.26.0...v0.26.1
+[v0.26.0]: https://github.com/Kava-Labs/kava/compare/v0.25.0...v0.26.0
+[v0.25.0]: https://github.com/Kava-Labs/kava/compare/v0.24.3...v0.25.0
+[v0.24.3]: https://github.com/Kava-Labs/kava/compare/v0.24.1...v0.24.3
+[v0.24.1]: https://github.com/Kava-Labs/kava/compare/v0.24.0...v0.24.1
+[v0.24.0]: https://github.com/Kava-Labs/kava/compare/v0.23.2...v0.24.0
 [v0.23.2]: https://github.com/Kava-Labs/kava/compare/v0.23.1...v0.23.2
 [v0.23.0]: https://github.com/Kava-Labs/kava/compare/v0.21.1...v0.23.0
 [v0.16.1]: https://github.com/Kava-Labs/kava/compare/v0.16.0...v0.16.1