vault: fix the listing-visibility flag in the OIDC job

vault/configure-oidc.yaml

@@ -51,7 +51,7 @@ spec:
           args:
             - |
               vault auth enable oidc 2>/dev/null || true
-              vault auth tune -listing_visibility=unauth oidc/
+              vault auth tune -listing-visibility=unauth oidc/
               vault policy write admin - <<'POLICY'
               path "*" {
                 capabilities = ["create", "read", "update", "delete", "list", "sudo"]