upgrade to GNU coreutils 9.8 as ref

Author: sylvestre

.github/workflows/GnuTests.yml

@@ -29,7 +29,7 @@ env:
   TEST_ROOT_FULL_SUMMARY_FILE: 'gnu-root-full-result.json'
   TEST_SELINUX_FULL_SUMMARY_FILE: 'selinux-gnu-full-result.json'
   TEST_SELINUX_ROOT_FULL_SUMMARY_FILE: 'selinux-root-gnu-full-result.json'
-  REPO_GNU_REF: "v9.7"
+  REPO_GNU_REF: "v9.8"
 
 jobs:
   native:

util/build-gnu.sh

@@ -70,7 +70,7 @@ fi
 
 ###
 
-release_tag_GNU="v9.7"
+release_tag_GNU="v9.8"
 
 # check if the GNU coreutils has been cloned, if not print instructions
 # note: the ${path_GNU} might already exist, so we check for the .git directory