This step switches to the selected Java version during the build process.
If your runner is self-hosted, ensure that the selected Java version is available in your runner environment. If not, you must install the required version before this step.
$AC_SELECTED_JAVA_VERSION: Select the Java version to switch to. If the selected version is not available on the runner, an error will occur. Check available Java versions for the Appcircle cloud-hosted runners here.