[GR-59749] Use a contiguous address space for the Native Image Java heap. #10323
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Serial and Epsilon GC unexpectedly run out-of-memory even though the max. heap size was not reached. This happens because we run out of memory mappings (default is 64k on Linux). This PR changes the behavior so that we use a contiguous address space for the Java heap whenever possible, which greatly reduces the number of memory mappings.