Merge branch 'azure-key-vault-support' into 'master'

Add Azure Key Vault support for CI/CD

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/106321



Merged-by: Furkan Ayhan <furkanayhn@gmail.com>
Approved-by: Marcel Amirault <mamirault@gitlab.com>
Approved-by: Dominic Couture <dcouture@gitlab.com>
Approved-by: Furkan Ayhan <furkanayhn@gmail.com>
Reviewed-by: Furkan Ayhan <furkanayhn@gmail.com>
Reviewed-by: Baodong <wwwicbd@gmail.com>
Reviewed-by: Avielle Wolfe <awolfe@gitlab.com>
Reviewed-by: Marcel Amirault <mamirault@gitlab.com>
Reviewed-by: Dov Hershkovitch <dhershkovitch@gitlab.com>
Reviewed-by: Max Orefice <morefice@gitlab.com>
Co-authored-by: Zehua Zhang <zhzhang@jihulab.com>