Fix CI build step after merging

The OS on the machine (lxir116) used for this step was updated which results in failing tests for this stage. Update the requirements in the CI description.

Edit PAL: Redmine refs #3333

.gitlab-ci.yml

@@ -334,13 +334,13 @@ FileLicenceCheck:
     - CbmRoot
 
 .linux_variables: &linux_variables
-    OS: "Debian10.11"
+    OS: "Debian11"
     NCPU: 5
-    FAIRSOFT_VERSION: "apr21p2"
-    FAIRROOT_VERSION: "v18.6.7"
-    BASE_PATH: "/cvmfs/fairsoft.gsi.de/debian10"
+    FAIRSOFT_VERSION: "nov22p1"
+    FAIRROOT_VERSION: "v18.8.0"
+    BASE_PATH: "/cvmfs/fairsoft.gsi.de/debian11"
     SIMPATH: "$BASE_PATH/fairsoft/$FAIRSOFT_VERSION"
-    FAIRROOTPATH: "$BASE_PATH/fairroot/${FAIRROOT_VERSION}_fs_${FAIRSOFT_VERSION}"
+    FAIRROOTPATH: "$BASE_PATH/fairroot/${FAIRROOT_VERSION}_${FAIRSOFT_VERSION}"
     EXTRA_PATH: "${SIMPATH}/bin"
 
 .macosx_tag: &macosx_tag