mark joltik as RHEL 9.4

Author: wdpypere

mkdocs/extra/gent.yml

@@ -77,7 +77,7 @@ othercluster: donphan
 hpcinfo: [email protected]
 hpcusersml: [email protected]
 hpcannounceml: [email protected]
-operatingsystem: RHEL 8.8 (accelgor, doduo, donphan, gallade, joltik) and RHEL 9.4 (skitty, shinx)
+operatingsystem: RHEL 8.8 (accelgor, doduo, donphan, gallade) and RHEL 9.4 (skitty, shinx, joltik)
 operatingsystembase: Red Hat Enterprise Linux
 # Special for perfexpert tutorial
 mpirun: vsc-mympirun