Don't spell-check go.mod and go.sum

Signed-off-by: Jan Dubois <jan.dubois@suse.com>

Author: jandubois

.codespellrc

@@ -3,7 +3,7 @@
 [codespell]
 
 # Comma separated list of dirs to be skipped.
-skip = .git,*.pb.desc,*/node_modules/*,*/public/js/*,*/public/scss/*
+skip = .git,go.mod,go.sum,*.pb.desc,*/node_modules/*,*/public/js/*,*/public/scss/*
 
 # Comma separated list of words to be ignored. Words must be lowercased.
 ignore-words-list = ans,distroname,testof,hda,ststr,archtypes