add EESSI version 2025.06 to CI workflows #184

Job	Run time
eessi_container_script (help)	1m 11s
eessi_container_script (run)	2m 55s
eessi_container_script (resume)	3m 6s
eessi_container_script (listrepos_default)	1m 11s
eessi_container_script (container)	2m 5s
eessi_container_script (shell)	2m 7s
eessi_container_script (unionfs)	3m 23s
eessi_container_script (listrepos_custom)	1m 8s
	17m 6s

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