Fix gitleaks config
https://gitlab.com/sylva-projects/sylva-elements/ci-tooling/ci-deployment-values/-/merge_requests/319/diffs merge introduce a gitleaks error.
Even if the token is harmelss (it's still a bad idea to have it in clear text) but the gitleaks configuration should at least be fixed to avoid failing pipeline
cc @vladimir.braquet @feleouet @FrancoisKlieberOrange
issue