CI: Add GHC 9.8 jobs

ci/config.sh

@@ -88,11 +88,6 @@ commit="$(ghc_commit)"
 arch="$(ghc_arch)"
 echo "Found GHC $version, commit $commit."
 case $version in
-  9.2.*)
-    #       package                   ticket
-    broken  linear-generics           22917
-    ;;
-
   9.4.*)
     #       package                   ticket
     broken  linear-generics           22546
@@ -104,6 +99,11 @@ case $version in
     #       package                   ticket
     ;;
 
+  9.8.*)
+    #       package                   ticket
+    broken  futhark                   23550
+    ;;
+
   9.9.*)
     #       package                   ticket
     broken  futhark                   23550