message: Add ^0.26.0 and ^0.25.0 to compatibility table [ci skip]
diff: @@ -8,6 +8,8 @@ A client library for the Cosmos SDK 0.40.
  | CosmJS version | Supported Cosmos SDK version(s) |
  | ------------------------------- | ------------------------------- |
  +| ^0.26.0 | 0.42.x |
  +| ^0.25.0 | 0.42.x |
  | ^0.24.0 | 0.40.x, 0.41.x, 0.42.x |
  | ^0.24.0-alpha.14 | 0.40.0 |
  | ^0.24.0-alpha.8 | 0.40.0-rc3 |
  