Deploy or rotate Vault secrets

Summary:
Terraform/OpenTofu is handling both the policies and the credentials to allow
other applications to connect themselves to Vault.

Once the AppRole have been created or updated in Vault by Terraform/OpenTofu,
the relevant configuration files with AppRole credentials must be provisioned.

This make deploy-secrets target allows to automate each steps and do a full
secrets rotation.

Reference: https://agora.nasqueron.org/Operations_grimoire/Deploy_with_Terraform

Reviewers: yousra

Reviewed By: yousra

Differential Revision: https://devcentral.nasqueron.org/D4026