[redhat] gitlab-ci: change automotive_disttag to .el9_6iv

JIRA: INTERNAL
Upstream status: RHEL only

Signed-off-by: Patrick Talbert <[email protected]>

Author: ptalbert

.gitlab-ci.yml

@@ -44,7 +44,7 @@ workflow: !reference [.workflow]
 
 .automotive_disttag:
   variables:
-    disttag_override: '.el9iv'
+    disttag_override: '.el9_6iv'
 
 .automotive_branch:
   variables: