Update CHANGELOG.md

Author: ryyppy

CHANGELOG.md

@@ -2,6 +2,7 @@
 - Fix issue with highlighting of interpolation strings (those with backticks) introduced in release 1.2.0.
 - Fix crash when the project contains OCaml files that have warnings.
 - Fix crash on hover when a dependency contains a type with functor application. This is not expressible in ReScript syntax, but can appear in a dependent OCaml package and be pulled in for processing by the extension.
+- Remove obsolete `@bs` snippets
 
 ## 1.2.0