Update GNU config script to latest

[hanefi]

We have an outdated version of config.guess that attempts to guess a canonical system name.

[codecov[bot]]

Codecov Report

Merging #5383 (d7164cb) into master (b576e69) will increase coverage by 0.00%. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5383   +/-   ##
=======================================
  Coverage   94.26%   94.27%           
=======================================
  Files         214      214           
  Lines       42895    42895           
=======================================
+ Hits        40437    40439    +2     
+ Misses       2458     2456    -2