UBI 9 OpenJDK images have MaxPercentage is set at 50/50

Issue

• Ubi 9 OpenJDK images have MaxPercentage is set at 50/50
• The following test shows the ubi9 image comes with 50/50:

$ docker run -it registry.access.redhat.com/ubi9/openjdk-17:latest java -XX:+PrintFlagsFinal  | grep -i maxram
uint64_t MaxRAM                                   = 137438953472                           {pd product} {default}
    uintx MaxRAMFraction                           = 4                                         {product} {default}
   double MaxRAMPercentage                         = 25.000000                                 {product} {default}