Downgrade Kotlin 1.8.x

Author: k163377

.github/workflows/main.yml

@@ -27,7 +27,8 @@ jobs:
       fail-fast: false
       matrix:
         java_version: ['8', '11', '17', '21']
-        kotlin_version: ['1.7.22', '1.8.22', '1.9.21']
+        # kotlin-reflect 1.8.2x has a bug and some tests fail, so we are downgrading to 1.8.10.
+        kotlin_version: ['1.7.22', '1.8.10', '1.9.21']
         os: ['ubuntu-20.04']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"