Changelog for lsp-types-1.5 doesn't mention switch to text-rope

`dhall-lsp-server` is showing a build failure related to this:

```
src/Dhall/LSP/Handlers.hs:94:60: error:
• Couldn't match expected type ‘Rope.Rope’
with actual type ‘text-rope-0.2:Data.Text.Utf16.Rope.Rope’
NB: ‘text-rope-0.2:Data.Text.Utf16.Rope.Rope’
is defined in ‘Data.Text.Utf16.Rope’ in package ‘text-rope-0.2’
‘Rope.Rope’
is defined in ‘Data.Rope.UTF16.Internal’
in package ‘rope-utf16-splay-0.3.2.0’
• In the first argument of ‘Rope.toText’, namely ‘rope’
In the first argument of ‘return’, namely ‘(Rope.toText rope)’
In the expression: return (Rope.toText rope)
|
94 | Just (LSP.VirtualFile _ _ rope) -> return (Rope.toText rope)
| ^^^^
```

Inspect the changelog entry for lsp-types-1.5 and compare it with the reported dhall-lsp-server build error in src/Dhall/LSP/Handlers.hs:94. Document the switch from rope-utf16-splay to text-rope and confirm that the dependency change and its compatibility impact are stated.

Written by the indexing model from the issue text.