Prep for v1.20.0 (#2262)

* Prep for v1.20.0

* Update docs/src/changelog.md

Author: odow

Project.toml

@@ -1,6 +1,6 @@
 name = "MathOptInterface"
 uuid = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
-version = "1.19.0"
+version = "1.20.0"
 
 [deps]
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"

docs/src/changelog.md

@@ -7,6 +7,19 @@ CurrentModule = MathOptInterface
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## v1.20.0 (September 7, 2023)
+
+### Added
+
+ - Added [`Scaled`](@ref) set (#2237) (#2263) (#2264)
+ - Added [`ObjectiveLimit`](@ref) attribute (#2257)
+
+### Other
+
+ - Updated dependencies (#2258)
+ - Improved performance of [`ScalarNonlinearFunction`](@ref) utilities (#2259)
+ - Fixed docstrings (#2261)
+
 ## v1.19.0 (August 15, 2023)
 
 ### Added