Issue 50992 - Bump jemalloc version and enable profiling
    
    Description:
    jemalloc 5.2.1 release introduced a number of fixes.
    https://github.com/jemalloc/jemalloc/releases/tag/5.2.1
    
    Additionally:
    * Override default page and hugepage sizes, because builder machines may not match the target systems.
    * Enable profiling by default (--enable-perf), so it can be used for troubleshooting.
    
    Fixes: https://pagure.io/389-ds-base/issue/50992
    
    Reviewed by: mreynolds (Thanks!)