Update version to 9.2.0. Add CHANGELOG entry

Author: Opt-Mucca

.github/workflows/integration-test.yml

@@ -1,7 +1,7 @@
 name: Integration test
 
 env:
-  version: 9.1.0
+  version: 9.2.0
 
 # runs on branches and pull requests; doesn't run on tags.
 on:

CHANGELOG.md

@@ -8,6 +8,7 @@
 - Added primal_dual_evolution recipe and a plot recipe
 ### Fixed
 ### Changed
+- GitHub actions using Mac now use precompiled SCIP from latest release
 ### Removed
 
 ## 5.2.1 - 2024.10.29