automation: Update linux-system-roles.nbde_server to version 1.4.8

This MR contains the following updates:

Package	Type	Update	Change
linux-system-roles.nbde_server	role	patch	1.4.7 -> 1.4.8

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Release Notes

linux-system-roles/nbde_server (linux-system-roles.nbde_server)

v1.4.8

Compare Source

Other Changes

• ci: Add workflow for ci_test bad, use remote fmf plan (#​158)
• ci: Fix missing slash in ARTIFACTS_URL (#​159)
• ci: Add tags to TF workflow, allow more [citest bad] formats (#​160)
• ci: ansible-test action now requires ansible-core version (#​161)
• ci: add YAML header to github action workflow files (#​162)
• refactor: Use vars/RedHat_N.yml symlink for CentOS, Rocky, Alma wherever possible (#​164)

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