One java version should be enough

Author: AB-xdev

.github/workflows/checkIDECompatibility.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        java: [17, 21]
+        java: [17]
         distribution: [temurin]
         platformType: [IU, IC]
         platformVersion: [LATEST-EAP-SNAPSHOT]