Adds message to indicate we are skipping release 12.0.10

CHANGELOG.md

@@ -2,6 +2,10 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
+## 12.0.10
+
+- Unreleased due to build failures
+
 ## 12.0.9
 ### Security (1 change)