Bump Rocky 8 snapshots

This brings in the CPU vulnerability fixes for:

- Zenbleed
- Inception
- Downfall

Author: jovial

etc/kayobe/pulp-repo-versions.yml

@@ -41,6 +41,11 @@ stackhpc_pulp_repo_rocky_8_7_baseos_version: 20221202T032715
 stackhpc_pulp_repo_rocky_8_7_extras_version: 20221201T192704
 stackhpc_pulp_repo_rocky_8_7_nfv_version: 20221202T032715
 stackhpc_pulp_repo_rocky_8_7_powertools_version: 20221202T032715
+stackhpc_pulp_repo_rocky_8_8_appstream_version: dummy
+stackhpc_pulp_repo_rocky_8_8_baseos_version: dummy
+stackhpc_pulp_repo_rocky_8_8_extras_version: dummy
+stackhpc_pulp_repo_rocky_8_8_nfv_version: dummy
+stackhpc_pulp_repo_rocky_8_8_powertools_version: dummy
 stackhpc_pulp_repo_rocky_9_1_appstream_version: 20230228T044432
 stackhpc_pulp_repo_rocky_9_1_baseos_version: 20230228T044432
 stackhpc_pulp_repo_rocky_9_1_crb_version: 20230228T044432