Bump version to 7.26.5

Author: TheAngryByrd

release/CHANGELOG.md

@@ -4,6 +4,11 @@
 * ionide-fsgrammar: [fix: remove non-needed comment patterns + rewrite invalid endCaptures to whileCaptures](https://github.com/ionide/ionide-fsgrammar/pull/231) from @MangelMaxime.
 * ionide-fsgrammar: [feat: add support for | null highlighting](https://github.com/ionide/ionide-fsgrammar/pull/230) from @MangelMaxime.
 
+
+### 7.26.5 - 02.08.2025
+
+* Update to FSAC 0.78.. Check out the [release notes](https://github.com/fsharp/FsAutoComplete/releases/tag/v0.78.5) for more details.
+
 ### 7.26.4 - 19.07.2025
 
 * [Fix macos test discovery, update stale env var with process.env vars](https://github.com/ionide/ionide-vscode-fsharp/pull/2096) from @rowanhwilliams.