Update brp-check-suse to version 84.87+git20210706.41c04c1 / rev 72 via SR 904422
    
    https://build.opensuse.org/request/show/904422
    by user coolo + dimstar_suse
    - Update to version 84.87+git20210706.41c04c1:
      * Fix /etc/alternatives being white listed
    
    - Update to version 84.87+git20210622.18841ca:
      * Extend symlinks in buildroot (and test them)
      * Move the exception handling of absolute links to C++
      * Revert "brp-25-symlink: Follow deeper symlinks to avoid false positives"